diff --git a/Dockerfile.buster b/Dockerfile.buster
index e122c2e1ed3b92f7ac5ca82e7af1b30e11c989ba..60300fa4e1700c8b9b21e872067043d856a3d5ac 100644
--- a/Dockerfile.buster
+++ b/Dockerfile.buster
@@ -2,7 +2,7 @@ FROM debian:buster AS uffd-base
 
 RUN apt-get -qq update && \
     apt-get -qq dist-upgrade && \
-    apt-get -qq install sqlite3 locales-all git python3 python3-coverage python3-ldap3 python3-flask python3-flask-sqlalchemy python3-flask-migrate lsb-release python3-pip python3-qrcode python3-fido2 python3-flask-oauthlib python3-pytest openjdk-11-jre-headless && \
+    apt-get -qq install sqlite3 locales-all git python3 python3-coverage python3-ldap3 python3-flask python3-flask-sqlalchemy python3-flask-migrate lsb-release python3-pip python3-qrcode python3-fido2 python3-flask-oauthlib python3-flask-babel python3-pytest openjdk-11-jre-headless && \
     pip3 install pylint html5validator --upgrade && \
     apt-get -qq clean