diff --git a/.github/workflows/code_formatting.yml b/.github/workflows/code_formatting.yml
index 53055a8441..5cd7984f7a 100644
--- a/.github/workflows/code_formatting.yml
+++ b/.github/workflows/code_formatting.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
     - name: Install packages
       run: source tools/ci.sh && ci_c_code_formatting_setup
     - name: Run code formatting
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
     - name: Install packages
       run: source tools/ci.sh && ci_code_spell_setup
     - name: Run spell checker
diff --git a/.github/workflows/commit_formatting.yml b/.github/workflows/commit_formatting.yml
index a651f8a13a..3fdcabc4ca 100644
--- a/.github/workflows/commit_formatting.yml
+++ b/.github/workflows/commit_formatting.yml
@@ -13,6 +13,6 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: '100'
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
     - name: Check commit message formatting
       run: source tools/ci.sh && ci_commit_formatting_run
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e0b6fdaba0..d01a4b50c9 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
     - name: Install Python packages
       run: pip install -r docs/requirements.txt
     - name: Build docs
diff --git a/.github/workflows/mpremote.yml b/.github/workflows/mpremote.yml
index 5b9465d7fe..668567bd42 100644
--- a/.github/workflows/mpremote.yml
+++ b/.github/workflows/mpremote.yml
@@ -16,7 +16,7 @@ jobs:
         # Setting this to zero means fetch all history and tags,
         # which hatch-vcs can use to discover the version tag.
         fetch-depth: 0
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
     - name: Install build tools
       run: pip install build
     - name: Build mpremote wheel
diff --git a/.github/workflows/ports_unix.yml b/.github/workflows/ports_unix.yml
index 25dd52f31d..2367eddbe6 100644
--- a/.github/workflows/ports_unix.yml
+++ b/.github/workflows/ports_unix.yml
@@ -196,7 +196,7 @@ jobs:
     runs-on: macos-11.0
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: '3.8'
     - name: Build