diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index e29bebf40..c01abe6a9 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
-    - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
+    - uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b # v27
     - run: nix-env -f docs/default.nix -iA build
     - run: postgrest-docs-build
 
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
-    - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
+    - uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b # v27
     - run: nix-env -f docs/default.nix -iA spellcheck
     - run: postgrest-docs-spellcheck
 
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
-      - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
+      - uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b # v27
       - run: nix-env -f docs/default.nix -iA dictcheck
       - run: postgrest-docs-dictcheck
 
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
-    - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
+    - uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b # v27
     - run: nix-env -f docs/default.nix -iA linkcheck
     - run: postgrest-docs-linkcheck