diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 642e1d1..7cf400a 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -22,6 +22,12 @@ jobs:
     runs-on: ubuntu-latest
     needs: dependencies
     steps:
+      - name: Check out
+        uses: actions/checkout@v4
+    
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
       - name: Type-checking (mypy)
         run: uv run mypy
 
@@ -29,6 +35,12 @@ jobs:
     runs-on: ubuntu-latest
     needs: dependencies
     steps:
+      - name: Check out
+        uses: actions/checkout@v4
+    
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
       - name: Linter (ruff check)
         run: uv run ruff check --output-format=github