diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index e01ba8c43..ae105d3b0 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -35,6 +35,25 @@ jobs:
             exit 1
           fi
 
+  lockfile:
+    name: uv.lock is up to date
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Set up Python
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
+        with:
+          python-version: "3.10"
+
+      - name: Install uv
+        run: python -m pip install --upgrade pip uv
+
+      - name: Verify uv.lock is up to date
+        run: uv lock --check --offline
+
   quality:
     name: Black, Pylint, and Mypy
     runs-on: ubuntu-latest