diff --git a/.github/actions/build-nodejs-layer/action.yml b/.github/actions/build-nodejs-layer/action.yml
index 9a538201ae..0b8b7beafc 100644
--- a/.github/actions/build-nodejs-layer/action.yml
+++ b/.github/actions/build-nodejs-layer/action.yml
@@ -13,8 +13,9 @@ runs:
   using: composite
   steps:
     - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+      working-directory: nodejs
       with:
-        node-version: 20
+        node-version-file: '.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 c66190ef6b..fd734563b0 100644
--- a/.github/actions/build-python-layer/action.yml
+++ b/.github/actions/build-python-layer/action.yml
@@ -13,8 +13,9 @@ runs:
   using: composite
   steps:
     - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+      working-directory: python/src
       with:
-        python-version: '3.10'
+        python-version-file: .python-version
 
     - name: Save Python OpenTelemetry SDK version
       id: version
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index 4d3aebb93e..090ab66602 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -101,8 +101,9 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        working-directory: integration-tests
         with:
-          node-version: 22
+          node-version-file: '.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..2c0733315e
--- /dev/null
+++ b/python/src/.python-version
@@ -0,0 +1 @@
+3.11