diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5103874..78e30ed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - name: Cache Nix store
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /nix/store
           key: nix-store-${{ runner.os }}-${{ hashFiles('**/flake.lock', '**/flake.nix') }}
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index afcbe86..b155f56 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -8,7 +8,7 @@ jobs:
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - name: Cache Nix store
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /nix/store
           key: nix-store-${{ runner.os }}-${{ hashFiles('**/flake.lock', '**/flake.nix') }}