diff --git a/dockerfiles/bionic.docker b/dockerfiles/bionic.docker
index c22978ad3df8a2737f021f78f0860ae85f59e45b..749c33dc4f447572a0c84da6f2d31cd1d165d584 100644
--- a/dockerfiles/bionic.docker
+++ b/dockerfiles/bionic.docker
@@ -6,6 +6,7 @@ ENV DEBIAN_FRONTEND noninteractive
 RUN apt-get update && \
     apt-get install -y software-properties-common apt-utils && \
     add-apt-repository -y universe && \
+    add-apt-repository -y ppa:git-core/ppa && \
     apt-get update && \
     apt-get upgrade -y && \
     apt-get dist-upgrade -y && \