diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index cc1697d..d72ca27 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v14
+      - uses: cachix/install-nix-action@v20
         with:
           install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
           install_options: "--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve"
diff --git a/.github/workflows/programs.yml b/.github/workflows/programs.yml
index 46d37c9..00e84a5 100644
--- a/.github/workflows/programs.yml
+++ b/.github/workflows/programs.yml
@@ -30,7 +30,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y pkg-config build-essential libudev-dev
 
-      - uses: cachix/install-nix-action@v14
+      - uses: cachix/install-nix-action@v20
         with:
           install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
           install_options: "--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f76c8a2..ea4744c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: cachix/install-nix-action@v14
+      - uses: cachix/install-nix-action@v20
         with:
           install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
           install_options: "--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve"
@@ -60,7 +60,7 @@ jobs:
     name: Release verifiable binaries
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v14
+      - uses: cachix/install-nix-action@v20
         with:
           install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
           install_options: "--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve"