diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e042e6aa6..14caa2037 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,8 +11,8 @@ jobs:
       matrix:
         node: [18, 20, 22, 24]
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}
       - run: node --version
@@ -29,10 +29,10 @@ jobs:
   windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 14
       - run: npm install
       - run: npm test
         env:
@@ -40,22 +40,21 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 14
       - run: npm install
       - run: npm run lint
-# TODO(https://github.com/googleapis/nodejs-error-reporting/issues/777): enable docs
-#  docs:
-#    runs-on: ubuntu-latest
-#    steps:
-#      - uses: actions/checkout@v5
-#      - uses: actions/setup-node@v4
-#        with:
-#          node-version: 18
-#      - run: npm install
-#      - run: npm run docs
-#      - uses: JustinBeckwith/linkinator-action@v1
-#        with:
-#          paths: docs/
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 14
+      - run: npm install
+      - run: npm run docs
+      - uses: JustinBeckwith/linkinator-action@v1
+        with:
+          paths: docs/
diff --git a/.kokoro/common.cfg b/.kokoro/common.cfg
index be5da7811..1090e3c7f 100644
--- a/.kokoro/common.cfg
+++ b/.kokoro/common.cfg
@@ -16,7 +16,7 @@ build_file: "nodejs-error-reporting/.kokoro/trampoline_v2.sh"
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/node:18-user"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:14-user"
 }
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
diff --git a/.kokoro/continuous/node14/common.cfg b/.kokoro/continuous/node14/common.cfg
index be5da7811..1090e3c7f 100644
--- a/.kokoro/continuous/node14/common.cfg
+++ b/.kokoro/continuous/node14/common.cfg
@@ -16,7 +16,7 @@ build_file: "nodejs-error-reporting/.kokoro/trampoline_v2.sh"
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/node:18-user"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:14-user"
 }
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
diff --git a/.kokoro/presubmit/node14/common.cfg b/.kokoro/presubmit/node14/common.cfg
index 4e02c8c98..5de3055ec 100644
--- a/.kokoro/presubmit/node14/common.cfg
+++ b/.kokoro/presubmit/node14/common.cfg
@@ -16,7 +16,7 @@ build_file: "nodejs-error-reporting/.kokoro/trampoline_v2.sh"
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/node:18-user"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:14-user"
 }
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
diff --git a/.kokoro/release/docs-devsite.cfg b/.kokoro/release/docs-devsite.cfg
index 644d3f58a..098e9a8e3 100644
--- a/.kokoro/release/docs-devsite.cfg
+++ b/.kokoro/release/docs-devsite.cfg
@@ -11,7 +11,7 @@ before_action {
 # doc publications use a Python image.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/node:18-user"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:14-user"
 }
 
 # Download trampoline resources.
diff --git a/.kokoro/release/docs.cfg b/.kokoro/release/docs.cfg
index 827bfdb99..4b2506785 100644
--- a/.kokoro/release/docs.cfg
+++ b/.kokoro/release/docs.cfg
@@ -11,7 +11,7 @@ before_action {
 # doc publications use a Python image.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/node:18-user"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:14-user"
 }
 
 # Download trampoline resources.
diff --git a/.kokoro/release/publish.cfg b/.kokoro/release/publish.cfg
index cabed4c0c..ba4cdc4bd 100644
--- a/.kokoro/release/publish.cfg
+++ b/.kokoro/release/publish.cfg
@@ -30,7 +30,7 @@ build_file: "nodejs-error-reporting/.kokoro/trampoline_v2.sh"
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/node:18-user"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:14-user"
 }
 
 env_vars: {
diff --git a/.kokoro/samples-test.sh b/.kokoro/samples-test.sh
index c1cb0fc77..8c5d108cb 100755
--- a/.kokoro/samples-test.sh
+++ b/.kokoro/samples-test.sh
@@ -56,7 +56,7 @@ fi
 
 # codecov combines coverage across integration and unit tests. Include
 # the logic below for any environment you wish to collect coverage for:
-COVERAGE_NODE=18
+COVERAGE_NODE=14
 if npx check-node-version@3.3.0 --silent --node $COVERAGE_NODE; then
   NYC_BIN=./node_modules/nyc/bin/nyc.js
   if [ -f "$NYC_BIN" ]; then
diff --git a/.kokoro/system-test.sh b/.kokoro/system-test.sh
index a90d5cfec..0b3043d26 100755
--- a/.kokoro/system-test.sh
+++ b/.kokoro/system-test.sh
@@ -49,7 +49,7 @@ npm run system-test
 
 # codecov combines coverage across integration and unit tests. Include
 # the logic below for any environment you wish to collect coverage for:
-COVERAGE_NODE=18
+COVERAGE_NODE=14
 if npx check-node-version@3.3.0 --silent --node $COVERAGE_NODE; then
   NYC_BIN=./node_modules/nyc/bin/nyc.js
   if [ -f "$NYC_BIN" ]; then
diff --git a/.kokoro/test.bat b/.kokoro/test.bat
index db22dba19..0bb124052 100644
--- a/.kokoro/test.bat
+++ b/.kokoro/test.bat
@@ -21,7 +21,7 @@ cd ..
 @rem we upgrade Node.js in the image:
 SET PATH=%PATH%;/cygdrive/c/Program Files/nodejs/npm
 
-call nvm use v18.19.1
+call nvm use v14.17.3
 call which node
 
 call npm install || goto :error
diff --git a/.kokoro/test.sh b/.kokoro/test.sh
index 0d9f6392a..862d478d3 100755
--- a/.kokoro/test.sh
+++ b/.kokoro/test.sh
@@ -39,7 +39,7 @@ npm test
 
 # codecov combines coverage across integration and unit tests. Include
 # the logic below for any environment you wish to collect coverage for:
-COVERAGE_NODE=18
+COVERAGE_NODE=14
 if npx check-node-version@3.3.0 --silent --node $COVERAGE_NODE; then
   NYC_BIN=./node_modules/nyc/bin/nyc.js
   if [ -f "$NYC_BIN" ]; then
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 950a97e61..0934310cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,19 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/error-reporting?activeTab=versions
 
+## [4.0.0](https://github.com/googleapis/nodejs-error-reporting/compare/v3.0.5...v4.0.0) (2025-11-25)
+
+
+### ⚠ BREAKING CHANGES
+
+* support node 18 ([#776](https://github.com/googleapis/nodejs-error-reporting/issues/776))
+* upgrade to Node 14 ([#715](https://github.com/googleapis/nodejs-error-reporting/issues/715))
+
+### Miscellaneous Chores
+
+* Support node 18 ([#776](https://github.com/googleapis/nodejs-error-reporting/issues/776)) ([f5e356a](https://github.com/googleapis/nodejs-error-reporting/commit/f5e356ac1c3bf2a86de46df9f3c41008bf433446))
+* Upgrade to Node 14 ([#715](https://github.com/googleapis/nodejs-error-reporting/issues/715)) ([3b76387](https://github.com/googleapis/nodejs-error-reporting/commit/3b763879091d5844dc5f46831680f202a7e79f14))
+
 ## [3.0.5](https://github.com/googleapis/nodejs-error-reporting/compare/v3.0.4...v3.0.5) (2022-12-02)
 
 
diff --git a/package.json b/package.json
index 87d0cb9e1..16fa81542 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/error-reporting",
   "description": "Error Reporting Client Library for Node.js",
-  "version": "3.0.5",
+  "version": "4.0.0",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {