diff --git a/api/pom.xml b/api/pom.xml
index f4c977ba..9281c1b0 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -60,6 +60,11 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${maven-surefire-plugin.version}</version>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
diff --git a/formats/json-jackson/pom.xml b/formats/json-jackson/pom.xml
index fdea4eec..374d668c 100644
--- a/formats/json-jackson/pom.xml
+++ b/formats/json-jackson/pom.xml
@@ -32,7 +32,7 @@
     <packaging>jar</packaging>
 
     <properties>
-        <jackson.version>2.10.1</jackson.version>
+        <jackson.version>2.11.2</jackson.version>
         <module-name>io.cloudevents.formats.jackson</module-name>
     </properties>
 
diff --git a/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml b/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml
index 1797f00f..31adbbed 100644
--- a/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml
+++ b/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml
@@ -32,8 +32,8 @@
     <packaging>jar</packaging>
 
     <properties>
-        <vertx.version>3.9.0</vertx.version>
-        <resteasy.version>4.5.3.Final</resteasy.version>
+        <vertx.version>3.9.2</vertx.version>
+        <resteasy.version>4.5.6.Final</resteasy.version>
     </properties>
 
     <dependencies>
diff --git a/http/restful-ws-integration-tests/restful-ws-spring/pom.xml b/http/restful-ws-integration-tests/restful-ws-spring/pom.xml
index cc617ff0..78395d4a 100644
--- a/http/restful-ws-integration-tests/restful-ws-spring/pom.xml
+++ b/http/restful-ws-integration-tests/restful-ws-spring/pom.xml
@@ -32,8 +32,8 @@
     <packaging>jar</packaging>
 
     <properties>
-        <spring-boot.version>2.3.0.RELEASE</spring-boot.version>
-        <spring.version>5.2.6.RELEASE</spring.version>
+        <spring-boot.version>2.3.2.RELEASE</spring-boot.version>
+        <spring.version>5.2.8.RELEASE</spring.version>
     </properties>
 
     <dependencyManagement>
diff --git a/http/vertx/pom.xml b/http/vertx/pom.xml
index 89f8442b..57843a49 100644
--- a/http/vertx/pom.xml
+++ b/http/vertx/pom.xml
@@ -31,8 +31,7 @@
     <packaging>jar</packaging>
 
     <properties>
-        <vertx.version>3.9.0</vertx.version>
-        <assertj-core.version>3.11.0</assertj-core.version>
+        <vertx.version>3.9.2</vertx.version>
         <module-name>io.cloudevents.http.vertx</module-name>
     </properties>
 
diff --git a/pom.xml b/pom.xml
index 687f4192..c2b64529 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <assertj-core.version>3.11.0</assertj-core.version>
+        <assertj-core.version>3.16.1</assertj-core.version>
         <junit-jupiter.version>5.5.2</junit-jupiter.version>
         <maven-surefire-plugin.version>3.0.0-M4</maven-surefire-plugin.version>
     </properties>