diff --git a/build.gradle b/build.gradle
index 8d0838eb24..81542a4c2d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ subprojects {
     apply plugin: "net.ltgt.errorprone"
 
     group = "io.grpc"
-    version = "1.65.0-SNAPSHOT" // CURRENT_GRPC_VERSION
+    version = "1.66.0-SNAPSHOT" // CURRENT_GRPC_VERSION
 
     repositories {
         maven { // The google mirror is less flaky than mavenCentral()
diff --git a/compiler/src/test/golden/TestDeprecatedService.java.txt b/compiler/src/test/golden/TestDeprecatedService.java.txt
index 808e2df194..5666abe8fd 100644
--- a/compiler/src/test/golden/TestDeprecatedService.java.txt
+++ b/compiler/src/test/golden/TestDeprecatedService.java.txt
@@ -8,7 +8,7 @@ import static io.grpc.MethodDescriptor.generateFullMethodName;
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.65.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.66.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 @io.grpc.stub.annotations.GrpcGenerated
 @java.lang.Deprecated
diff --git a/compiler/src/test/golden/TestService.java.txt b/compiler/src/test/golden/TestService.java.txt
index 1102409ef7..52e2a77241 100644
--- a/compiler/src/test/golden/TestService.java.txt
+++ b/compiler/src/test/golden/TestService.java.txt
@@ -8,7 +8,7 @@ import static io.grpc.MethodDescriptor.generateFullMethodName;
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.65.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.66.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 @io.grpc.stub.annotations.GrpcGenerated
 public final class TestServiceGrpc {
diff --git a/core/src/main/java/io/grpc/internal/GrpcUtil.java b/core/src/main/java/io/grpc/internal/GrpcUtil.java
index 52d7f8d0d8..44b3de8651 100644
--- a/core/src/main/java/io/grpc/internal/GrpcUtil.java
+++ b/core/src/main/java/io/grpc/internal/GrpcUtil.java
@@ -221,7 +221,7 @@ public final class GrpcUtil {
 
   public static final Splitter ACCEPT_ENCODING_SPLITTER = Splitter.on(',').trimResults();
 
-  public static final String IMPLEMENTATION_VERSION = "1.65.0-SNAPSHOT"; // CURRENT_GRPC_VERSION
+  public static final String IMPLEMENTATION_VERSION = "1.66.0-SNAPSHOT"; // CURRENT_GRPC_VERSION
 
   /**
    * The default timeout in nanos for a keepalive ping request.
diff --git a/examples/android/clientcache/app/build.gradle b/examples/android/clientcache/app/build.gradle
index b465569ee2..64e95de473 100644
--- a/examples/android/clientcache/app/build.gradle
+++ b/examples/android/clientcache/app/build.gradle
@@ -34,7 +34,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -54,12 +54,12 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'com.google.truth:truth:1.1.5'
-    testImplementation 'io.grpc:grpc-testing:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    testImplementation 'io.grpc:grpc-testing:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 }
diff --git a/examples/android/helloworld/app/build.gradle b/examples/android/helloworld/app/build.gradle
index faf173209b..f9433f1401 100644
--- a/examples/android/helloworld/app/build.gradle
+++ b/examples/android/helloworld/app/build.gradle
@@ -32,7 +32,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -52,8 +52,8 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 }
diff --git a/examples/android/routeguide/app/build.gradle b/examples/android/routeguide/app/build.gradle
index 449a90d08a..2431b473f2 100644
--- a/examples/android/routeguide/app/build.gradle
+++ b/examples/android/routeguide/app/build.gradle
@@ -32,7 +32,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -52,8 +52,8 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 }
diff --git a/examples/android/strictmode/app/build.gradle b/examples/android/strictmode/app/build.gradle
index 4b32754dea..699c8dd9d6 100644
--- a/examples/android/strictmode/app/build.gradle
+++ b/examples/android/strictmode/app/build.gradle
@@ -33,7 +33,7 @@ android {
 protobuf {
     protoc { artifact = 'com.google.protobuf:protoc:3.25.1' }
     plugins {
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -53,8 +53,8 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.0'
 
     // You need to build grpc-java to obtain these libraries below.
-    implementation 'io.grpc:grpc-okhttp:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 }
diff --git a/examples/build.gradle b/examples/build.gradle
index 3de1fde1d5..79096232f2 100644
--- a/examples/build.gradle
+++ b/examples/build.gradle
@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.1'
 def protocVersion = protobufVersion
 
diff --git a/examples/example-alts/build.gradle b/examples/example-alts/build.gradle
index 3744ff7f81..d91bf9ac72 100644
--- a/examples/example-alts/build.gradle
+++ b/examples/example-alts/build.gradle
@@ -24,7 +24,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-debug/build.gradle b/examples/example-debug/build.gradle
index 2e1d74cb7a..9b50597c05 100644
--- a/examples/example-debug/build.gradle
+++ b/examples/example-debug/build.gradle
@@ -25,7 +25,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-debug/pom.xml b/examples/example-debug/pom.xml
index d09423675d..7d8f3d8676 100644
--- a/examples/example-debug/pom.xml
+++ b/examples/example-debug/pom.xml
@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.65.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.66.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-debug</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.65.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.66.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protoc.version>3.25.1</protoc.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>
diff --git a/examples/example-gauth/build.gradle b/examples/example-gauth/build.gradle
index 4aeeff75bc..6b39d3ea67 100644
--- a/examples/example-gauth/build.gradle
+++ b/examples/example-gauth/build.gradle
@@ -24,7 +24,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.1'
 def protocVersion = protobufVersion
 
diff --git a/examples/example-gauth/pom.xml b/examples/example-gauth/pom.xml
index 80129dea03..b71d110f9e 100644
--- a/examples/example-gauth/pom.xml
+++ b/examples/example-gauth/pom.xml
@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.65.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.66.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-gauth</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.65.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.66.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.1</protobuf.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>
diff --git a/examples/example-gcp-observability/build.gradle b/examples/example-gcp-observability/build.gradle
index c8822d99a9..d165d7e892 100644
--- a/examples/example-gcp-observability/build.gradle
+++ b/examples/example-gcp-observability/build.gradle
@@ -25,7 +25,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-hostname/build.gradle b/examples/example-hostname/build.gradle
index 0a0cf84ea6..e7795d2fdc 100644
--- a/examples/example-hostname/build.gradle
+++ b/examples/example-hostname/build.gradle
@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-hostname/pom.xml b/examples/example-hostname/pom.xml
index 6b0c69c55f..f6c2701606 100644
--- a/examples/example-hostname/pom.xml
+++ b/examples/example-hostname/pom.xml
@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.65.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.66.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-hostname</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.65.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.66.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protoc.version>3.25.1</protoc.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>
diff --git a/examples/example-jwt-auth/build.gradle b/examples/example-jwt-auth/build.gradle
index b17524a5ba..a676e20414 100644
--- a/examples/example-jwt-auth/build.gradle
+++ b/examples/example-jwt-auth/build.gradle
@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.1'
 def protocVersion = protobufVersion
 
diff --git a/examples/example-jwt-auth/pom.xml b/examples/example-jwt-auth/pom.xml
index 7f655171c9..23db72cf19 100644
--- a/examples/example-jwt-auth/pom.xml
+++ b/examples/example-jwt-auth/pom.xml
@@ -7,13 +7,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.65.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.66.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-jwt-auth</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.65.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.66.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.1</protobuf.version>
     <protoc.version>3.25.1</protoc.version>
     <!-- required for jdk9 -->
diff --git a/examples/example-oauth/build.gradle b/examples/example-oauth/build.gradle
index 0a4e7f0983..57987227c2 100644
--- a/examples/example-oauth/build.gradle
+++ b/examples/example-oauth/build.gradle
@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protobufVersion = '3.25.1'
 def protocVersion = protobufVersion
 
diff --git a/examples/example-oauth/pom.xml b/examples/example-oauth/pom.xml
index 9d79993d77..ef492e0dcd 100644
--- a/examples/example-oauth/pom.xml
+++ b/examples/example-oauth/pom.xml
@@ -7,13 +7,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.65.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.66.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-oauth</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.65.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.66.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.1</protobuf.version>
     <protoc.version>3.25.1</protoc.version>
     <!-- required for jdk9 -->
diff --git a/examples/example-orca/build.gradle b/examples/example-orca/build.gradle
index 8e30f568a3..0bdaaef267 100644
--- a/examples/example-orca/build.gradle
+++ b/examples/example-orca/build.gradle
@@ -18,7 +18,7 @@ java {
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-reflection/build.gradle b/examples/example-reflection/build.gradle
index 00b9ae4926..43ff5ee635 100644
--- a/examples/example-reflection/build.gradle
+++ b/examples/example-reflection/build.gradle
@@ -18,7 +18,7 @@ java {
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-servlet/build.gradle b/examples/example-servlet/build.gradle
index 71b9e80c53..1376280e3f 100644
--- a/examples/example-servlet/build.gradle
+++ b/examples/example-servlet/build.gradle
@@ -16,7 +16,7 @@ java {
     targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-tls/build.gradle b/examples/example-tls/build.gradle
index 0d0db06c82..1dd0b02933 100644
--- a/examples/example-tls/build.gradle
+++ b/examples/example-tls/build.gradle
@@ -24,7 +24,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/example-tls/pom.xml b/examples/example-tls/pom.xml
index 4cb7fe7f4f..21730d7a71 100644
--- a/examples/example-tls/pom.xml
+++ b/examples/example-tls/pom.xml
@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.65.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.66.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>example-tls</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.65.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.66.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protoc.version>3.25.1</protoc.version>
     <!-- required for jdk9 -->
     <maven.compiler.source>1.8</maven.compiler.source>
diff --git a/examples/example-xds/build.gradle b/examples/example-xds/build.gradle
index 87b43f66ac..3009b568b7 100644
--- a/examples/example-xds/build.gradle
+++ b/examples/example-xds/build.gradle
@@ -23,7 +23,7 @@ java {
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.65.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.66.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def protocVersion = '3.25.1'
 
 dependencies {
diff --git a/examples/pom.xml b/examples/pom.xml
index 13ededa9eb..7e92c6a669 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -6,13 +6,13 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.65.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.66.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>examples</name>
   <url>https://github.com/grpc/grpc-java</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.65.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.66.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.25.1</protobuf.version>
     <protoc.version>3.25.1</protoc.version>
     <!-- required for JDK 8 -->