diff --git a/.github/workflows/programs-e2e.yml b/.github/workflows/programs-e2e.yml
index a7a7405..84f37db 100644
--- a/.github/workflows/programs-e2e.yml
+++ b/.github/workflows/programs-e2e.yml
@@ -18,7 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: cachix/install-nix-action@v16
+      - uses: cachix/install-nix-action@v19
         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"
@@ -84,7 +84,7 @@ jobs:
           solana-keygen new -o "$HOME/.config/solana/id.json" --no-passphrase --silent
 
       # Run build
-      - uses: cachix/install-nix-action@v16
+      - uses: cachix/install-nix-action@v19
         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 6de6071..9660fb4 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@v16
+      - uses: cachix/install-nix-action@v19
         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"
@@ -73,7 +73,7 @@ jobs:
     name: Release verifiable binaries
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v16
+      - uses: cachix/install-nix-action@v19
         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/site.yml b/.github/workflows/site.yml
index 516882f..428a649 100644
--- a/.github/workflows/site.yml
+++ b/.github/workflows/site.yml
@@ -11,7 +11,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - uses: cachix/install-nix-action@v16
+      - uses: cachix/install-nix-action@v19
         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"