diff --git a/Docker/github_ci_dockerfile b/Docker/github_ci_dockerfile
index af0bc870..d1d4d873 100644
--- a/Docker/github_ci_dockerfile
+++ b/Docker/github_ci_dockerfile
@@ -48,6 +48,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
       python3-sphinx \
       python3-sphinx-rtd-theme \
       python3-tomli \
+      python3-venv \
       rsync \
       sudo \
       && \