diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9cb4b32..0b75fca 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-      - uses: cachix/cachix-action@v14
+      - uses: cachix/cachix-action@v15
         if: ${{ steps.release.outputs.release_created }}
         with:
           name: klarkc
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9b57786..456f2d9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: klarkc
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index fe0a46a..905d187 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -15,7 +15,7 @@ jobs:
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-      - uses: cachix/cachix-action@v14
+      - uses: cachix/cachix-action@v15
         with:
           name: klarkc
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'