diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3f27b3e46538..918c82c94bbe 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -52,7 +52,7 @@ jobs:
         with:
           merged-as-untrusted-at: ${{ inputs.mergedSha }}
 
-      - uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
         with:
           # Sandbox is disabled on MacOS by default.
           extra_nix_config: sandbox = true
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index cc36502c89cf..0ee1146a4982 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -79,7 +79,7 @@ jobs:
         with:
           merged-as-untrusted-at: ${{ inputs.mergedSha }}
 
-      - uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
         with:
diff --git a/.github/workflows/eval.yml b/.github/workflows/eval.yml
index 7e96518b590e..8ad860a1aed8 100644
--- a/.github/workflows/eval.yml
+++ b/.github/workflows/eval.yml
@@ -47,7 +47,7 @@ jobs:
             ci/pinned.json
 
       - name: Install Nix
-        uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+        uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - name: Load supported versions
         id: versions
@@ -92,7 +92,7 @@ jobs:
           target-as-trusted-at: ${{ inputs.targetSha }}
 
       - name: Install Nix
-        uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+        uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
         with:
@@ -170,7 +170,7 @@ jobs:
           merge-multiple: true
 
       - name: Install Nix
-        uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+        uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - name: Combine all output paths and eval stats
         run: |
@@ -326,7 +326,7 @@ jobs:
           merged-as-untrusted-at: ${{ inputs.mergedSha }}
 
       - name: Install Nix
-        uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+        uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - name: Run misc eval tasks in parallel
         run: |
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1858f463ad83..cb7a61edad83 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -32,7 +32,7 @@ jobs:
         with:
           merged-as-untrusted-at: ${{ inputs.mergedSha }}
 
-      - uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       # TODO: Figure out how to best enable caching for the treefmt job. Cachix won't work well,
       # because the cache would be invalidated on every commit - treefmt checks every file.
@@ -66,7 +66,7 @@ jobs:
         with:
           merged-as-untrusted-at: ${{ inputs.mergedSha }}
 
-      - uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
         with:
@@ -94,7 +94,7 @@ jobs:
           merged-as-untrusted-at: ${{ inputs.mergedSha }}
           target-as-trusted-at: ${{ inputs.targetSha }}
 
-      - uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
         with:
diff --git a/.github/workflows/reviewers.yml b/.github/workflows/reviewers.yml
index 32290c179130..245970531477 100644
--- a/.github/workflows/reviewers.yml
+++ b/.github/workflows/reviewers.yml
@@ -33,7 +33,7 @@ jobs:
           sparse-checkout: ci
 
       - name: Install Nix
-        uses: cachix/install-nix-action@7ab6e7fd29da88e74b1e314a4ae9ac6b5cda3801 # v31
+        uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
 
       - name: Build the requestReviews derivation
         run: nix-build trusted/ci -A requestReviews