diff --git a/.gitlab-ci/run-tests.sh b/.gitlab-ci/run-tests.sh
index 5bdbaf9637..9a6896979c 100755
--- a/.gitlab-ci/run-tests.sh
+++ b/.gitlab-ci/run-tests.sh
@@ -16,6 +16,7 @@ case "${backend}" in
   x11)
     xvfb-run -a -s "-screen 0 1024x768x24" \
           meson test -C ${builddir} \
+                --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
                 --print-errorlogs \
                 --setup=${backend} \
                 --suite=gtk \
@@ -35,6 +36,7 @@ case "${backend}" in
     export WAYLAND_DISPLAY=wayland-5
 
     meson test -C ${builddir} \
+                --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
                 --print-errorlogs \
                 --setup=${backend} \
                 --suite=gtk \
@@ -53,6 +55,7 @@ case "${backend}" in
     export BROADWAY_DISPLAY=:5
 
     meson test -C ${builddir} \
+                --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
                 --print-errorlogs \
                 --setup=${backend} \
                 --suite=gtk \