diff --git a/.github/workflows/aptos.yml b/.github/workflows/aptos.yml
index ac2203b..729c09d 100644
--- a/.github/workflows/aptos.yml
+++ b/.github/workflows/aptos.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v17
+      - uses: cachix/install-nix-action@v20
       - uses: cachix/cachix-action@v10
         with:
           name: deploydao
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index a42996d..5d4a7fc 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v17
+      - uses: cachix/install-nix-action@v20
       - uses: cachix/cachix-action@v10
         with:
           name: deploydao