diff --git a/rundev.sh b/rundev.sh
index afed153b5b91..3c3aa1b236e0 100755
--- a/rundev.sh
+++ b/rundev.sh
@@ -25,6 +25,8 @@ build() {
     mkdir -p data
     # Build single requirements file
     sed -n 's/^  "\([][a-zA-Z._0-9-]\+[<>=].*\)".*/\1/p' ../pyproject.toml > weblate-dev/requirements.txt
+    # Fetch up-to-date base docker image
+    docker pull weblate/weblate:bleeding
     # Build the container
     docker compose build --build-arg USER_ID="$(id -u)" --build-arg GROUP_ID="$(id -g)"