diff --git a/.github/workflows/autofix.yml b/.github/workflows/autofix.yml
index 7c0b3db..d4ce257 100644
--- a/.github/workflows/autofix.yml
+++ b/.github/workflows/autofix.yml
@@ -12,7 +12,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v9
+        with:
+          extra-conf: |
+            accept-flake-config = true
+            log-lines = 1000
+      - uses: cachix/cachix-action@v15
+        with:
+          name: recap
+          authToken: ${{ secrets.CACHIX_TOKEN }}
       - run: nix fmt
       - uses: autofix-ci/action@v1.3.1
         with:
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index fd6c8ee..33ff474 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -10,5 +10,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v9
+        with:
+          extra-conf: |
+            accept-flake-config = true
+            log-lines = 1000
+      - uses: cachix/cachix-action@v15
+        with:
+          name: recap
+          authToken: ${{ secrets.CACHIX_TOKEN }}
       - run: nix flake check --show-trace
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d8d83e3..1fdc450 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,8 +20,6 @@ jobs:
       url: https://github.com/wi2trier/cbrkit/releases/tag/${{ steps.semanticrelease.outputs.git-tag }}
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v9
       - uses: cihelper/action-semanticrelease-npm@v1
         id: semanticrelease
   deploy-docker:
@@ -39,7 +37,14 @@ jobs:
         with:
           ref: ${{ needs.release.outputs.git-head }}
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v9
+        with:
+          extra-conf: |
+            accept-flake-config = true
+            log-lines = 1000
+      - uses: cachix/cachix-action@v15
+        with:
+          name: recap
+          authToken: ${{ secrets.CACHIX_TOKEN }}
       - run: nix run .#docker-manifest --impure
         env:
           VERSION: ${{ needs.release.outputs.version }}
diff --git a/flake.nix b/flake.nix
index 4cfa8b5..467ce78 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,16 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
+  nixConfig = {
+    extra-substituters = [
+      "https://nix-community.cachix.org"
+      "https://recap.cachix.org"
+    ];
+    extra-trusted-public-keys = [
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "recap.cachix.org-1:KElwRDtaJbbQxmmS2SyxWHqs9bdJbaZHzb2iINTfQws="
+    ];
+  };
   outputs =
     inputs@{
       flake-parts,