diff --git a/.github/workflows/iwyu.yml b/.github/workflows/iwyu.yml
index 63d64fe707ad..0573d59e42ea 100644
--- a/.github/workflows/iwyu.yml
+++ b/.github/workflows/iwyu.yml
@@ -60,7 +60,7 @@ jobs:
       - name: Install missing software on OpenSUSE
         if: contains(matrix.image, 'opensuse')
         run: |
-          zypper install -y cmake gcc-c++ libQt5Core-devel libQt5Gui-devel libQt5Widgets-devel libQt5PrintSupport-devel libqt5-linguist-devel libqt5-qttools-devel libQt5Network-devel libQt5Charts5-devel
+          zypper install -y cmake gcc-c++ libQt5Core-devel libQt5Gui-devel libQt5Widgets-devel libQt5PrintSupport-devel libqt5-linguist-devel libqt5-qttools-devel libQt5Network-devel libQt5Charts5-devel libQt5Test-devel
           zypper install -y wget include-what-you-use-tools
           ln -s iwyu_tool.py /usr/bin/iwyu_tool
           ln -s qt5 /usr/include/qt