diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3a151bae..744fa1f2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -28,7 +28,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up magic Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@eeabdb06718ac63a7021c6132129679a8e22d0c7 # v3
+        uses: DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41 # v4
 
       - name: Set up Go cache
         uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1
@@ -61,7 +61,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up magic Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@eeabdb06718ac63a7021c6132129679a8e22d0c7 # v3
+        uses: DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41 # v4
 
       - name: Set up Go cache
         uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1
@@ -94,7 +94,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up magic Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@eeabdb06718ac63a7021c6132129679a8e22d0c7 # v3
+        uses: DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41 # v4
 
       - name: Set up Go cache
         uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1
@@ -127,7 +127,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up magic Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@eeabdb06718ac63a7021c6132129679a8e22d0c7 # v3
+        uses: DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41 # v4
 
       - name: Set up Go cache
         uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1
@@ -177,7 +177,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up magic Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@eeabdb06718ac63a7021c6132129679a8e22d0c7 # v3
+        uses: DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41 # v4
 
       - name: Check
         run: nix flake check --impure
@@ -228,7 +228,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up magic Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@eeabdb06718ac63a7021c6132129679a8e22d0c7 # v3
+        uses: DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41 # v4
 
       - name: Prepare Nix shell
         run: nix develop --impure .#ci
@@ -272,7 +272,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up magic Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@eeabdb06718ac63a7021c6132129679a8e22d0c7 # v3
+        uses: DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41 # v4
 
       - name: Prepare Nix shell
         run: nix develop --impure .#ci