diff --git a/.github/workflows/_build-mex-octave.yml b/.github/workflows/_build-mex-octave.yml
index d6112b51..ee3d29e5 100644
--- a/.github/workflows/_build-mex-octave.yml
+++ b/.github/workflows/_build-mex-octave.yml
@@ -20,7 +20,7 @@ jobs:
 
       - name: Cache MEX binaries
         id: cache-mex
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             libs/FastSense/private/*.mex
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 74658616..da8df37e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -204,7 +204,7 @@ jobs:
 
       - name: Cache MATLAB MEX binaries
         id: cache-mex-matlab
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             libs/FastSense/private/*.mexa64