diff --git a/contrib/docker/Dockerfile-stretch b/contrib/docker/Dockerfile-stretch
index 02bd2a59..d3da12e8 100644
--- a/contrib/docker/Dockerfile-stretch
+++ b/contrib/docker/Dockerfile-stretch
@@ -1,7 +1,7 @@
 # -*-Dockerfile-*-
 FROM debian:stretch
 RUN apt update && \
-    apt install -y build-essential curl libcurl4-openssl-dev libsqlite3-dev pkg-config
+    apt install -y build-essential curl libcurl4-openssl-dev libsqlite3-dev pkg-config git
 RUN curl -fsS -o install.sh https://dlang.org/install.sh && \
     bash install.sh dmd
 COPY . /usr/src/onedrive