diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fbf9a920d..013789084 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Nix caches
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v14
         with:
           name: tweag-cooked-validators
           ## This auth token will give write access to the cache, meaning that
@@ -59,7 +59,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Nix caches
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v14
         with:
           name: tweag-cooked-validators
           ## This auth token will give write access to the cache, meaning that
@@ -91,7 +91,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Nix caches
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v14
         with:
           name: tweag-cooked-validators
           ## No auth token: read only cache.
@@ -218,7 +218,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Nix caches
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v14
         with:
           name: tweag-cooked-validators
           ## No auth token: read only cache.
@@ -284,7 +284,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Nix caches
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v14
         with:
           name: tweag-cooked-validators
           ## This auth token will give write access to the cache, meaning that