diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 61f842977..22270db38 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -80,7 +80,7 @@ jobs:
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@v9
       - name: Cache Nix dependencies
-        uses: DeterminateSystems/magic-nix-cache-action@v2
+        uses: DeterminateSystems/magic-nix-cache-action@v3
       - name: Setup developer environment
         run: |
           nix develop --command ./bootstrap.sh
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 247fe6033..857149f45 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@v9
       - name: Cache Nix dependencies
-        uses: DeterminateSystems/magic-nix-cache-action@v2
+        uses: DeterminateSystems/magic-nix-cache-action@v3
       # Upstream package sometimes has flags set that disable flake checking
       - name: Setup test env
         run: |