diff --git a/.github/workflows/deadnix.yml b/.github/workflows/deadnix.yml
index 9f413fbc..a29e41d1 100644
--- a/.github/workflows/deadnix.yml
+++ b/.github/workflows/deadnix.yml
@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v29
-      - uses: cachix/cachix-action@v14
+      - uses: cachix/cachix-action@v15
         with:
           name: deadnix
       - uses: astro/deadnix-action@main
diff --git a/.github/workflows/prebuilt-23.05.yml b/.github/workflows/prebuilt-23.05.yml
index 62fb6b25..e76697f0 100644
--- a/.github/workflows/prebuilt-23.05.yml
+++ b/.github/workflows/prebuilt-23.05.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v29
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: microvm
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/prebuilt-23.11.yml b/.github/workflows/prebuilt-23.11.yml
index 488ebe3f..4aa79bf4 100644
--- a/.github/workflows/prebuilt-23.11.yml
+++ b/.github/workflows/prebuilt-23.11.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v29
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: microvm
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/prebuilt-unstable.yml b/.github/workflows/prebuilt-unstable.yml
index 7f35ddda..e596bc2e 100644
--- a/.github/workflows/prebuilt-unstable.yml
+++ b/.github/workflows/prebuilt-unstable.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v29
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: microvm
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/prebuilt.yml b/.github/workflows/prebuilt.yml
index a3f78144..ed1833fa 100644
--- a/.github/workflows/prebuilt.yml
+++ b/.github/workflows/prebuilt.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v29
-    - uses: cachix/cachix-action@v14
+    - uses: cachix/cachix-action@v15
       with:
         name: microvm
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'