diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index f88a972..230658e 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -24,7 +24,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install nix
-        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
+        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           install_options: --no-daemon
           extra_nix_config: |
@@ -53,7 +53,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install nix
-        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
+        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           install_options: --no-daemon
           extra_nix_config: |
@@ -100,7 +100,7 @@ jobs:
           sudo rm -rf /usr/share/swift
           df -h
       - name: Install nix
-        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
+        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           install_options: --no-daemon
           extra_nix_config: |
diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index b577016..dd16da5 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -29,7 +29,7 @@ jobs:
           persist-credentials: false
 
       - name: Install nix
-        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
+        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           install_options: --no-daemon
           extra_nix_config: |
@@ -156,7 +156,7 @@ jobs:
           persist-credentials: false
 
       - name: Install nix
-        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
+        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           install_options: --no-daemon
           extra_nix_config: |
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index 506177b..f1bba0b 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -27,7 +27,7 @@ jobs:
           persist-credentials: false
 
       - name: Install nix
-        uses: cachix/install-nix-action@ab739621df7a23f52766f9ccc97f38da6b7af14f # v31.10.5
+        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31.10.6
         with:
           install_options: --no-daemon
           extra_nix_config: |