diff --git a/.github/workflows/build-registry.yml b/.github/workflows/build-registry.yml
index 0599bb116..20abd7270 100644
--- a/.github/workflows/build-registry.yml
+++ b/.github/workflows/build-registry.yml
@@ -33,7 +33,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d
 
       - name: Ruff check
         working-directory: .github/workflows
@@ -60,7 +60,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d
 
       - name: Setup Node.js
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v6
@@ -102,7 +102,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d
 
       - name: Setup Node.js
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v6
diff --git a/.github/workflows/daily-protocol-matrix.yml b/.github/workflows/daily-protocol-matrix.yml
index 39120d2ca..d0eee29b2 100644
--- a/.github/workflows/daily-protocol-matrix.yml
+++ b/.github/workflows/daily-protocol-matrix.yml
@@ -51,7 +51,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d
 
       - name: Setup Node.js
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v6
diff --git a/.github/workflows/update-versions.yml b/.github/workflows/update-versions.yml
index 89fbdd3e4..afdea5817 100644
--- a/.github/workflows/update-versions.yml
+++ b/.github/workflows/update-versions.yml
@@ -146,7 +146,7 @@ jobs:
           node-version: "lts/*"
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d
 
       - name: Apply version updates
         env:
@@ -325,7 +325,7 @@ jobs:
           node-version: "lts/*"
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d
 
       - name: Validate registry build
         run: uv run --with jsonschema .github/workflows/build_registry.py
@@ -415,7 +415,7 @@ jobs:
           PY
 
       - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d
 
       - name: Validate registry build
         run: uv run --with jsonschema .github/workflows/build_registry.py