diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index b1f399a..cae8981 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
 
       - name: Build site
         # Not --strict: the included root docs (DEPLOY.md, governance files)
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index a490e97..53f2184 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -54,7 +54,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"
@@ -107,7 +107,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 38b1d1f..4063447 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"
@@ -71,7 +71,7 @@ jobs:
           sudo apt-get install -y tesseract-ocr tesseract-ocr-deu tesseract-ocr-eng
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"
@@ -118,7 +118,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"
@@ -192,7 +192,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"
@@ -230,7 +230,7 @@ jobs:
         run: npm ci
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"