diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 2e2901a..2d91f3f 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -18,6 +18,13 @@ jobs:
           curl -LsSf https://astral.sh/uv/install.sh | sh
           echo "$HOME/.local/bin" >> "$GITHUB_PATH"
 
+      - name: Librerie di sistema per opencv
+        # #1: opencv-python (non headless: pm2d/gui.py usa imshow) vuole libGL e glib
+        run: |
+          SUDO=$(command -v sudo || true)
+          $SUDO apt-get update -qq
+          $SUDO apt-get install -y -qq libgl1 libglib2.0-0
+
       - name: Sync dipendenze
         run: uv sync