diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 96c8bab..ebf759b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,8 +31,9 @@ jobs:
 
     - name: Install Python development requirements
       run: |
-        python -m pip install -r requirements.txt
-        python -m pip install -r requirements-dev.txt
+        pip install uv
+        uv pip install --system -r requirements.txt
+        uv pip install --system -r requirements-dev.txt
 
     - name: Run Python tests
       run: |
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e764636..8da48f3 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -20,7 +20,8 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
-      - run: pip install -r requirements.txt
+      - run: pip install uv
+      - run: uv pip install --system -r requirements.txt
       - run: |
             for filename in $(ls lunchtime*/*.ipynb)
             do
diff --git a/jupyter_nbconvert_template/index.html.j2 b/jupyter_nbconvert_template/index.html.j2
index b9e0ec3..dd62d5c 100644
--- a/jupyter_nbconvert_template/index.html.j2
+++ b/jupyter_nbconvert_template/index.html.j2
@@ -6,7 +6,7 @@
 
   /* backport https://github.com/jupyter/nbconvert/pull/2032/commits/d2557d63c06b19694fc30564050b697bf102705f */
   main {
-  	height: 100%;
+	  height: 100%;
 	}
 
 	#custom-header {