diff --git a/.github/workflows/test-action-setup-dotnet.yaml b/.github/workflows/test-action-setup-dotnet.yaml
index 759f73b..ddf84fe 100644
--- a/.github/workflows/test-action-setup-dotnet.yaml
+++ b/.github/workflows/test-action-setup-dotnet.yaml
@@ -12,6 +12,6 @@ jobs:
       DOTNET_INSTALL_DIR: "./.dotnet"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-dotnet@v3
+      - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 6.x
diff --git a/.github/workflows/test-action-setup-python.yaml b/.github/workflows/test-action-setup-python.yaml
index 7fc3ace..161166c 100644
--- a/.github/workflows/test-action-setup-python.yaml
+++ b/.github/workflows/test-action-setup-python.yaml
@@ -13,7 +13,7 @@ jobs:
       # source: https://github.com/temporalio/sdk-python/pull/172/files#diff-e0c5149ab771083cacddbeaf3336656118f582f6311228e0b8652c3209a7dd2eR32-R39
       # actions/setup-python doesn't yet support ARM
       - if: ${{ !endsWith(matrix.os, '-arm') }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.11"
       - if: ${{ matrix.os == 'ubuntu-arm' }}
diff --git a/.github/workflows/test-cdk-deploy.yaml b/.github/workflows/test-cdk-deploy.yaml
index 8f93348..b5baae7 100644
--- a/.github/workflows/test-cdk-deploy.yaml
+++ b/.github/workflows/test-cdk-deploy.yaml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/test-setup-python.yaml b/.github/workflows/test-setup-python.yaml
index 73922ff..377a4b9 100644
--- a/.github/workflows/test-setup-python.yaml
+++ b/.github/workflows/test-setup-python.yaml
@@ -19,7 +19,7 @@ jobs:
         python-version: [3.9, '3.10']
     steps:
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - run: python -V