diff --git a/.gitea/workflows/test-and-build.yml b/.gitea/workflows/test-and-build.yml
index 83ef45d..dc88692 100644
--- a/.gitea/workflows/test-and-build.yml
+++ b/.gitea/workflows/test-and-build.yml
@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up cache for Cabal
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cabal
@@ -32,12 +32,12 @@ jobs:
             cabal-${{ runner.os }}-
 
       - name: Set up cache for Nix
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             /nix/store
             /nix/var/nix/cache
-          key: nix-${{ runner.os }}-${{ hashFiles('flake.nix') }}
+          key: nix-${{ runner.os }}-${{ hashFiles('flake.lock') }}
           restore-keys: |
             nix-${{ runner.os }}-
 
@@ -61,7 +61,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up cache for Cabal
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cabal
@@ -71,12 +71,12 @@ jobs:
             cabal-${{ runner.os }}-
 
       - name: Set up cache for Nix
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             /nix/store
             /nix/var/nix/cache
-          key: nix-${{ runner.os }}-${{ hashFiles('flake.nix') }}
+          key: nix-${{ runner.os }}-${{ hashFiles('flake.lock') }}
           restore-keys: |
             nix-${{ runner.os }}-