diff --git a/.github/workflows/avr_python_checks.yml b/.github/workflows/avr_python_checks.yml
index 6c44e83..a97ea94 100644
--- a/.github/workflows/avr_python_checks.yml
+++ b/.github/workflows/avr_python_checks.yml
@@ -49,7 +49,7 @@ jobs:
               fp.write(python_version)
 
       - name: Cache Python Packages
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.config/pypoetry
@@ -69,7 +69,7 @@ jobs:
           cache: poetry
 
       - name: Cache Pre-Commit
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pre-commit
           key: pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
diff --git a/.github/workflows/avr_python_tests.yml b/.github/workflows/avr_python_tests.yml
index dbe4bfe..2346a32 100644
--- a/.github/workflows/avr_python_tests.yml
+++ b/.github/workflows/avr_python_tests.yml
@@ -56,7 +56,7 @@ jobs:
               fp.write(python_version)
 
       - name: Cache Python Packages
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.config/pypoetry