diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index bf27b23c..c049d954 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -16,6 +16,7 @@ jobs:
           git config --local user.name  "github-actions[bot]"
           git config --local user.email  "github-actions[bot]@users.noreply.github.com"
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - uses: DeterminateSystems/update-flake-lock@main
         with:
           token: ${{ secrets.FLAKE_UPDATE_PAT }}
diff --git a/.github/workflows/nix-check.yml b/.github/workflows/nix-check.yml
index 66c0bfe4..e75e3964 100644
--- a/.github/workflows/nix-check.yml
+++ b/.github/workflows/nix-check.yml
@@ -13,6 +13,7 @@ jobs:
         with:
           fetch-depth: 1
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Check formatting
         run: nix fmt -- -c .
   eval-check:
@@ -22,5 +23,6 @@ jobs:
         with:
           fetch-depth: 1
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Check flake evaluation
         run: nix flake check
diff --git a/.github/workflows/nix-drybuild.yml b/.github/workflows/nix-drybuild.yml
index b1eb7969..795647e4 100644
--- a/.github/workflows/nix-drybuild.yml
+++ b/.github/workflows/nix-drybuild.yml
@@ -13,6 +13,7 @@ jobs:
         with:
           fetch-depth: 1
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Drybuild fallarbor
         run: nix build --dry-run .#nixosConfigurations.fallarbor.config.system.build.toplevel
   lavaridge-drybuild:
@@ -22,6 +23,7 @@ jobs:
         with:
           fetch-depth: 1
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Drybuild lavaridge
         run: nix build --dry-run .#nixosConfigurations.lavaridge.config.system.build.toplevel
   mauville-drybuild:
@@ -31,6 +33,7 @@ jobs:
         with:
           fetch-depth: 1
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Drybuild mauville
         run: nix build --dry-run .#nixosConfigurations.mauville.config.system.build.toplevel
   petalburg-drybuild:
@@ -40,6 +43,7 @@ jobs:
         with:
           fetch-depth: 1
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Drybuild petalburg
         run: nix build --dry-run .#nixosConfigurations.petalburg.config.system.build.toplevel
   rustboro-drybuild:
@@ -49,5 +53,6 @@ jobs:
         with:
           fetch-depth: 1
       - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Drybuild rustboro
         run: nix build --dry-run .#nixosConfigurations.rustboro.config.system.build.toplevel