diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index 6415dfa..427c6b2 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 #v5
-      - uses: astral-sh/setup-uv@4959332f0f014c5280e7eac8b70c90cb574c9f9b #v6
+      - uses: astral-sh/setup-uv@557e51de59eb14aaaba2ed9621916900a91d50c6 # v6.6.1
       - name: Install dependencies
         run: uv sync --group docs
       - name: Check mkdocs build
diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 0b8e53a..6cfbd11 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 #v5
-      - uses: astral-sh/setup-uv@4959332f0f014c5280e7eac8b70c90cb574c9f9b #v6
+      - uses: astral-sh/setup-uv@557e51de59eb14aaaba2ed9621916900a91d50c6 # v6.6.1
 
       - name: Install dependencies
         run: uv sync --group docs