diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b5b6ff..b29cae4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,14 @@
 [//]: # (GENERATED FILE -- DO NOT EDIT!)
 [//]: # (See scripts/release_notes.py for more details.)
 
+## 1.5.0
+
+- [#1369](https://github.com/grpc/grpc-web/pull/1369) (Typescript) Mark some `metadata` parameters as optional @andrewmbenton
+- [#1335](https://github.com/grpc/grpc-web/pull/1335) Update Debian (and other deps) and remove Java In-process Proxy
+- [#1334](https://github.com/grpc/grpc-web/pull/1334) Allow mixed-case headers
+- [#1330](https://github.com/grpc/grpc-web/pull/1330) Update ES6 .d.ts imports with comment about corresponding proto import... @gonzojive
+- [#1313](https://github.com/grpc/grpc-web/pull/1313) Update ES6 imports with comment about corresponding proto import path. @reddaly
+
 ## 1.4.2
 
 - [#1289](https://github.com/grpc/grpc-web/pull/1289) Expose getName() in MethodDescriptor and fix TS definitions.
diff --git a/README.md b/README.md
index ce3de20..3e18cf3 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ Make sure they are both executable and are discoverable from your PATH.
 For example, in MacOS, you can do:
 
 ```
-$ sudo mv ~/Downloads/protoc-gen-grpc-web-1.4.2-darwin-x86_64 \
+$ sudo mv ~/Downloads/protoc-gen-grpc-web-1.5.0-darwin-x86_64 \
     /usr/local/bin/protoc-gen-grpc-web
 $ chmod +x /usr/local/bin/protoc-gen-grpc-web
 ```
diff --git a/net/grpc/gateway/examples/echo/commonjs-example/package.json b/net/grpc/gateway/examples/echo/commonjs-example/package.json
index 12752e3..320a486 100644
--- a/net/grpc/gateway/examples/echo/commonjs-example/package.json
+++ b/net/grpc/gateway/examples/echo/commonjs-example/package.json
@@ -5,7 +5,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "google-protobuf": "~3.14.0",
-    "grpc-web": "~1.4.2"
+    "grpc-web": "~1.5.0"
   },
   "devDependencies": {
     "webpack": "~5.82.1",
diff --git a/net/grpc/gateway/examples/echo/ts-example/package.json b/net/grpc/gateway/examples/echo/ts-example/package.json
index da6c03d..efcf3d4 100644
--- a/net/grpc/gateway/examples/echo/ts-example/package.json
+++ b/net/grpc/gateway/examples/echo/ts-example/package.json
@@ -4,7 +4,7 @@
     "@types/jquery": "~3.3.6",
     "@types/node": "~10.17.0",
     "google-protobuf": "~3.14.0",
-    "grpc-web": "~1.4.2",
+    "grpc-web": "~1.5.0",
     "jquery": "~3.5.1",
     "mock-xmlhttprequest": "~2.0.0",
     "typescript": "latest",
diff --git a/net/grpc/gateway/examples/echo/tutorial.md b/net/grpc/gateway/examples/echo/tutorial.md
index d65b43c..1fcd3df 100644
--- a/net/grpc/gateway/examples/echo/tutorial.md
+++ b/net/grpc/gateway/examples/echo/tutorial.md
@@ -169,7 +169,7 @@ You will need a `package.json` file
   "name": "grpc-web-commonjs-example",
   "dependencies": {
     "google-protobuf": "~3.14.0",
-    "grpc-web": "~1.4.2"
+    "grpc-web": "~1.5.0"
   },
   "devDependencies": {
     "webpack": "~5.82.1",
diff --git a/net/grpc/gateway/examples/helloworld/README.md b/net/grpc/gateway/examples/helloworld/README.md
index 3bf95c3..87203bf 100644
--- a/net/grpc/gateway/examples/helloworld/README.md
+++ b/net/grpc/gateway/examples/helloworld/README.md
@@ -208,7 +208,7 @@ the `client.js` files.
     "@grpc/proto-loader": "~0.5.4",
     "async": "~1.5.2",
     "google-protobuf": "~3.14.0",
-    "grpc-web": "~1.4.2",
+    "grpc-web": "~1.5.0",
     "lodash": "~4.17.0",
     "webpack": "~5.82.1",
     "webpack-cli": "~5.1.1"
@@ -256,7 +256,7 @@ To generate the protobuf messages and client service stub class from your
 > For example, in MacOS, you can do:
 >
 > ```sh
-> $ sudo mv ~/Downloads/protoc-gen-grpc-web-1.4.2-darwin-x86_64 \
+> $ sudo mv ~/Downloads/protoc-gen-grpc-web-1.5.0-darwin-x86_64 \
 >   /usr/local/bin/protoc-gen-grpc-web
 > $ sudo chmod +x /usr/local/bin/protoc-gen-grpc-web
 > ```
diff --git a/net/grpc/gateway/examples/helloworld/package.json b/net/grpc/gateway/examples/helloworld/package.json
index a98db24..a2b4dad 100644
--- a/net/grpc/gateway/examples/helloworld/package.json
+++ b/net/grpc/gateway/examples/helloworld/package.json
@@ -8,7 +8,7 @@
     "@grpc/proto-loader": "~0.5.4",
     "async": "~3.2.3",
     "google-protobuf": "~3.14.0",
-    "grpc-web": "~1.4.2",
+    "grpc-web": "~1.5.0",
     "lodash": "~4.17.0",
     "webpack": "~5.82.1",
     "webpack-cli": "~5.1.1"
diff --git a/test/interop/package.json b/test/interop/package.json
index 0658af7..9b6d653 100644
--- a/test/interop/package.json
+++ b/test/interop/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "google-protobuf": "~3.14.0",
-    "grpc-web": "~1.4.2"
+    "grpc-web": "~1.5.0"
   },
   "devDependencies": {
     "assert": "^2.0.0",