diff --git a/.github/workflows/docs-preview.yml b/.github/workflows/docs-preview.yml
index 896ea8a96ea5..24b0ad883762 100644
--- a/.github/workflows/docs-preview.yml
+++ b/.github/workflows/docs-preview.yml
@@ -32,7 +32,7 @@ jobs:
             access-tokens = github.com=${{ steps.generate_token.outputs.token }}
 
       - name: setup cachix
-        uses: cachix/cachix-action@v14
+        uses: cachix/cachix-action@v15
         with:
           name: ibis
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
diff --git a/.github/workflows/ibis-docs-main.yml b/.github/workflows/ibis-docs-main.yml
index edbfdb59df38..95317ba1cf29 100644
--- a/.github/workflows/ibis-docs-main.yml
+++ b/.github/workflows/ibis-docs-main.yml
@@ -25,7 +25,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: setup cachix
-        uses: cachix/cachix-action@v14
+        uses: cachix/cachix-action@v15
         with:
           name: ibis
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
diff --git a/.github/workflows/ibis-docs-pr.yml b/.github/workflows/ibis-docs-pr.yml
index 15b2de2d01c7..5d65e96c7f31 100644
--- a/.github/workflows/ibis-docs-pr.yml
+++ b/.github/workflows/ibis-docs-pr.yml
@@ -27,7 +27,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: setup cachix
-        uses: cachix/cachix-action@v14
+        uses: cachix/cachix-action@v15
         with:
           name: ibis
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
diff --git a/.github/workflows/ibis-lint.yml b/.github/workflows/ibis-lint.yml
index 17b10535094a..d7fa00b998fb 100644
--- a/.github/workflows/ibis-lint.yml
+++ b/.github/workflows/ibis-lint.yml
@@ -34,7 +34,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: setup cachix
-        uses: cachix/cachix-action@v14
+        uses: cachix/cachix-action@v15
         with:
           name: ibis
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
@@ -59,7 +59,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: setup cachix
-        uses: cachix/cachix-action@v14
+        uses: cachix/cachix-action@v15
         with:
           name: ibis
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
@@ -80,7 +80,7 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-      - uses: cachix/cachix-action@v14
+      - uses: cachix/cachix-action@v15
         with:
           name: ibis
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 052a4a44cf20..9787beeb0f77 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -50,7 +50,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: setup cachix
-        uses: cachix/cachix-action@v14
+        uses: cachix/cachix-action@v15
         with:
           name: ibis
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 107d2f6a30c1..a27a880476e8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,7 +30,7 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-      - uses: cachix/cachix-action@v14
+      - uses: cachix/cachix-action@v15
         with:
           name: ibis
           extraPullNames: nix-community,poetry2nix