diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0e569f16..084090bc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
           submodules: true
           persist-credentials: false
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@f0ec1fc3b38f5e7cd731bb6ce540c5af426746bb # 6.1.0
+        uses: astral-sh/setup-uv@445689ea25e0de0a23313031f5fe577c74ae45a1 # 6.3.0
       - name: Install tox
         run: uv tool install --python-preference only-managed --python 3.13 tox --with tox-uv --with tox-gh
       - name: Install Python
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index 09a20ae2..133d71e3 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -24,7 +24,7 @@ jobs:
           persist-credentials: false
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@f0ec1fc3b38f5e7cd731bb6ce540c5af426746bb # 6.1.0
+        uses: astral-sh/setup-uv@445689ea25e0de0a23313031f5fe577c74ae45a1 # 6.3.0
         with:
           enable-cache: false