diff --git a/.github/workflows/manual-nixos.yml b/.github/workflows/manual-nixos.yml
index a75e84029301..fa1f8fc6911e 100644
--- a/.github/workflows/manual-nixos.yml
+++ b/.github/workflows/manual-nixos.yml
@@ -15,11 +15,11 @@ jobs:
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
-      - uses: cachix/install-nix-action@v12
+      - uses: cachix/install-nix-action@v13
         with:
           # explicitly enable sandbox
           extra_nix_config: sandbox = true
-      - uses: cachix/cachix-action@v8
+      - uses: cachix/cachix-action@v9
         with:
           # This cache is for the nixos/nixpkgs manual builds and should not be trusted or used elsewhere.
           name: nixpkgs-ci
diff --git a/.github/workflows/manual-nixpkgs.yml b/.github/workflows/manual-nixpkgs.yml
index 7596719d9b50..192a4c6868a4 100644
--- a/.github/workflows/manual-nixpkgs.yml
+++ b/.github/workflows/manual-nixpkgs.yml
@@ -15,11 +15,11 @@ jobs:
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
-      - uses: cachix/install-nix-action@v12
+      - uses: cachix/install-nix-action@v13
         with:
           # explicitly enable sandbox
           extra_nix_config: sandbox = true
-      - uses: cachix/cachix-action@v8
+      - uses: cachix/cachix-action@v9
         with:
           # This cache is for the nixos/nixpkgs manual builds and should not be trusted or used elsewhere.
           name: nixpkgs-ci