diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 27c53905..d2336f7f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,7 +46,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Cache Swift packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .build
@@ -78,7 +78,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Cache Swift packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .build
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index e9cef459..537dfed8 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -45,7 +45,7 @@ jobs:
           swift-version: "6.0"
 
       - name: Cache Swift packages
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .build