diff --git a/.github/workflows/update-nix-flakes.yml b/.github/workflows/update-nix-flakes.yml
index 4e2c5258119b..39d77564835a 100644
--- a/.github/workflows/update-nix-flakes.yml
+++ b/.github/workflows/update-nix-flakes.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: install nix
-        uses: DeterminateSystems/nix-installer-action@v14
+        uses: DeterminateSystems/nix-installer-action@v15
 
       - uses: actions/create-github-app-token@v1.11.0
         id: generate-token