diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index cdcfd10ea9..9785a50e80 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -57,7 +57,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@V28
       - uses: cachix/cachix-action@v12
         with:
           name: ethermint
@@ -73,7 +73,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@V28
       - uses: cachix/cachix-action@v12
         with:
           name: ethermint
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cee2290c58..714ab86c37 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -87,7 +87,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@V28
       - uses: cachix/cachix-action@v12
         with:
           name: ethermint
@@ -122,7 +122,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@V28
       - uses: cachix/cachix-action@v12
         with:
           name: ethermint