diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 87aef6a..ea0bb8d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,7 +17,7 @@ jobs:
       - uses: DeterminateSystems/nix-installer-action@v22
         with:
           summarize: false
-      - uses: DeterminateSystems/magic-nix-cache-action@v14
+      - uses: DeterminateSystems/magic-nix-cache-action@v15
       - run: nix flake check
 
   docker:
@@ -28,7 +28,7 @@ jobs:
       - uses: DeterminateSystems/nix-installer-action@v22
         with:
           summarize: false
-      - uses: DeterminateSystems/magic-nix-cache-action@v14
+      - uses: DeterminateSystems/magic-nix-cache-action@v15
 
       - name: Build docker image
         run: nix build .#docker
@@ -83,7 +83,7 @@ jobs:
       - uses: DeterminateSystems/nix-installer-action@v22
         with:
           summarize: false
-      - uses: DeterminateSystems/magic-nix-cache-action@v14
+      - uses: DeterminateSystems/magic-nix-cache-action@v15
 
       - name: Build scip-rust
         run: nix build .#scip-rust