diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3e4eebd..aedfced 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -51,7 +51,7 @@ jobs:
         cache-dependency-path: 'pyproject.toml'
 
     - name: Set up uv
-      uses: astral-sh/setup-uv@v3
+      uses: astral-sh/setup-uv@v4
 
     - name: Set up project
       run: |
diff --git a/.github/workflows/ngr.yml b/.github/workflows/ngr.yml
index 4cb74f3..7308168 100644
--- a/.github/workflows/ngr.yml
+++ b/.github/workflows/ngr.yml
@@ -62,7 +62,7 @@ jobs:
         cache-dependency-path: 'pyproject.toml'
 
     - name: Set up uv
-      uses: astral-sh/setup-uv@v3
+      uses: astral-sh/setup-uv@v4
 
     # Needed for `pueblo.ngr`.
     - name: Set up Elixir