diff --git a/.github/workflows/basic-eval.yml b/.github/workflows/basic-eval.yml
index 46f87b0297c3..ad8e7f264712 100644
--- a/.github/workflows/basic-eval.yml
+++ b/.github/workflows/basic-eval.yml
@@ -19,7 +19,7 @@ jobs:
     # we don't limit this action to only NixOS repo since the checks are cheap and useful developer feedback
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-    - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+    - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
     - uses: cachix/cachix-action@6a2e08b5ebf7a9f285ff57b1870a4262b06e0bee # v13
       with:
         # This cache is for the nixpkgs repo checks and should not be trusted or used elsewhere.
diff --git a/.github/workflows/check-by-name.yml b/.github/workflows/check-by-name.yml
index 0093560cf3c2..4295c6475848 100644
--- a/.github/workflows/check-by-name.yml
+++ b/.github/workflows/check-by-name.yml
@@ -90,7 +90,7 @@ jobs:
           base=$(mktemp -d)
           git worktree add "$base" "$(git rev-parse HEAD^1)"
           echo "base=$base" >> "$GITHUB_ENV"
-      - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+      - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
       - name: Fetching the pinned tool
         # Update the pinned version using pkgs/test/nixpkgs-check-by-name/scripts/update-pinned-tool.sh
         run: |
diff --git a/.github/workflows/check-maintainers-sorted.yaml b/.github/workflows/check-maintainers-sorted.yaml
index 94f71ad7f894..074644153204 100644
--- a/.github/workflows/check-maintainers-sorted.yaml
+++ b/.github/workflows/check-maintainers-sorted.yaml
@@ -16,7 +16,7 @@ jobs:
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
-      - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+      - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
         with:
           # explicitly enable sandbox
           extra_nix_config: sandbox = true
diff --git a/.github/workflows/editorconfig.yml b/.github/workflows/editorconfig.yml
index 80067327fdb9..6b151d45be2a 100644
--- a/.github/workflows/editorconfig.yml
+++ b/.github/workflows/editorconfig.yml
@@ -28,7 +28,7 @@ jobs:
       with:
         # pull_request_target checks out the base branch by default
         ref: refs/pull/${{ github.event.pull_request.number }}/merge
-    - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+    - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
       with:
         # nixpkgs commit is pinned so that it doesn't break
         # editorconfig-checker 2.4.0
diff --git a/.github/workflows/manual-nixos.yml b/.github/workflows/manual-nixos.yml
index 2c42f83e3010..9dfe29a1e9f2 100644
--- a/.github/workflows/manual-nixos.yml
+++ b/.github/workflows/manual-nixos.yml
@@ -18,7 +18,7 @@ jobs:
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
-      - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+      - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
         with:
           # explicitly enable sandbox
           extra_nix_config: sandbox = true
diff --git a/.github/workflows/manual-nixpkgs.yml b/.github/workflows/manual-nixpkgs.yml
index f33ca16f276a..21aebe6f2deb 100644
--- a/.github/workflows/manual-nixpkgs.yml
+++ b/.github/workflows/manual-nixpkgs.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge
-      - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+      - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
         with:
           # explicitly enable sandbox
           extra_nix_config: sandbox = true
diff --git a/.github/workflows/nix-parse.yml b/.github/workflows/nix-parse.yml
index 6eacd7836db7..e625cca93c5c 100644
--- a/.github/workflows/nix-parse.yml
+++ b/.github/workflows/nix-parse.yml
@@ -29,7 +29,7 @@ jobs:
         # pull_request_target checks out the base branch by default
         ref: refs/pull/${{ github.event.pull_request.number }}/merge
       if: ${{ env.CHANGED_FILES && env.CHANGED_FILES != '' }}
-    - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+    - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
       with:
         nix_path: nixpkgs=channel:nixpkgs-unstable
     - name: Parse all changed or added nix files
diff --git a/.github/workflows/update-terraform-providers.yml b/.github/workflows/update-terraform-providers.yml
index a67070fe6abe..108c0590d6bb 100644
--- a/.github/workflows/update-terraform-providers.yml
+++ b/.github/workflows/update-terraform-providers.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+      - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
         with:
           nix_path: nixpkgs=channel:nixpkgs-unstable
       - name: setup