diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 9726be09..6a0cbe6c 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -30,7 +30,7 @@ jobs:
           extensions: bcmath, mbstring, intl, sodium, json
 
       - name: "caching dependencies"
-        uses: "actions/cache@v3"
+        uses: "actions/cache@v4"
         with:
           path: |
             ~/.composer/cache
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 81c063c4..c3b54f53 100644
--- a/.github/workflows/mutation-tests.yml
+++ b/.github/workflows/mutation-tests.yml
@@ -30,7 +30,7 @@ jobs:
           extensions: bcmath, mbstring, intl, sodium, json
 
       - name: "caching dependencies"
-        uses: "actions/cache@v3"
+        uses: "actions/cache@v4"
         with:
           path: |
             ~/.composer/cache
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 4eac3b0b..15aed699 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -35,7 +35,7 @@ jobs:
           extensions: bcmath, mbstring, intl, sodium, json
 
       - name: "caching dependencies"
-        uses: "actions/cache@v3"
+        uses: "actions/cache@v4"
         with:
           path: |
             ~/.composer/cache