diff --git a/.github/actions/build-nodejs-layer/action.yml b/.github/actions/build-nodejs-layer/action.yml
index 9a538201ae..5f449989ec 100644
--- a/.github/actions/build-nodejs-layer/action.yml
+++ b/.github/actions/build-nodejs-layer/action.yml
@@ -14,7 +14,7 @@ runs:
   steps:
     - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
-        node-version: 20
+        node-version-file: 'nodejs/.nvmrc'
 
     - name: Build Node.js layer
       shell: bash
diff --git a/.github/actions/build-python-layer/action.yml b/.github/actions/build-python-layer/action.yml
index b00f84db86..864d9f1b5c 100644
--- a/.github/actions/build-python-layer/action.yml
+++ b/.github/actions/build-python-layer/action.yml
@@ -14,7 +14,7 @@ runs:
   steps:
     - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
       with:
-        python-version: '3.14'
+        python-version-file: python/src/.python-version
 
     - name: Save Python OpenTelemetry SDK version
       id: version
diff --git a/.github/workflows/ci-nodejs.yml b/.github/workflows/ci-nodejs.yml
index 4506668b88..915c334061 100644
--- a/.github/workflows/ci-nodejs.yml
+++ b/.github/workflows/ci-nodejs.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 20
+          node-version-file: 'nodejs/.nvmrc'
       - uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
         with:
           path: ~/.npm
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index 3c81dd8443..4fe535cb67 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -102,7 +102,7 @@ jobs:
 
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 22
+          node-version-file: 'integration-tests/.nvmrc'
 
       - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
diff --git a/integration-tests/.nvmrc b/integration-tests/.nvmrc
new file mode 100644
index 0000000000..2bd5a0a98a
--- /dev/null
+++ b/integration-tests/.nvmrc
@@ -0,0 +1 @@
+22
diff --git a/nodejs/.nvmrc b/nodejs/.nvmrc
new file mode 100644
index 0000000000..209e3ef4b6
--- /dev/null
+++ b/nodejs/.nvmrc
@@ -0,0 +1 @@
+20
diff --git a/python/src/.python-version b/python/src/.python-version
new file mode 100644
index 0000000000..c8cfe39591
--- /dev/null
+++ b/python/src/.python-version
@@ -0,0 +1 @@
+3.10