diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index 92be7f76341..f98b42e7357 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -126,6 +126,7 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
 	python3-pip \
 	python3-pyelftools \
 	python3-sphinx \
+	python3-tk \
 	python3-tomli \
 	python3-venv \
 	rpm2cpio \