diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b1d988..73fee58 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v14
-      - uses: DeterminateSystems/magic-nix-cache-action@v7
+      - uses: DeterminateSystems/magic-nix-cache-action@v8
 
       # Evaluate the devshell here so that the time reported for subsequent
       # steps that use it reflect what is actually done there.
@@ -45,7 +45,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v14
-      - uses: DeterminateSystems/magic-nix-cache-action@v7
+      - uses: DeterminateSystems/magic-nix-cache-action@v8
 
       - name: Build
         run: nix build --print-build-logs