diff --git a/.github/workflows/unit-tests-all.yml b/.github/workflows/unit-tests-all.yml
index 87ce6f1..eebbf81 100644
--- a/.github/workflows/unit-tests-all.yml
+++ b/.github/workflows/unit-tests-all.yml
@@ -56,7 +56,7 @@ jobs:
         run: |
             brew install libmagic
       - name: "cache pip packages (windows)"
-        uses: "actions/cache@v5"
+        uses: "actions/cache@v6"
         if: matrix.os == 'windows-latest'
         with:
           path: ~\AppData\Local\pip
@@ -64,7 +64,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip-
       - name: "cache pip packages (all platforms)"
-        uses: "actions/cache@v5"
+        uses: "actions/cache@v6"
         if: matrix.os != 'windows-latest'
         with:
           path: "${{ steps.pip-cache.outputs.dir }}"