diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index d5ddcd4..12e90fc 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -14,6 +14,8 @@
 #   UBUNTU_MIRROR:    <optional, the URL of a mirror of Ubuntu to override the
 #                     default ones in /etc/apt/sources.list>
 #                     default is empty, and no mirror is used.
+#   http_proxy        The HTTP address of the proxy server to connect to.
+#                     Default: "", proxy is not setup if this is not set
 
 set -xeuo pipefail
 
@@ -21,6 +23,7 @@
 DISTRO=${DISTRO:-"ubuntu:focal"}
 BRANCH=${BRANCH:-"master"}
 UBUNTU_MIRROR=${UBUNTU_MIRROR:-""}
+http_proxy=${http_proxy:-}
 
 # Determine the architecture
 ARCH=$(uname -m)
@@ -180,6 +183,12 @@
 
 fi
 
+PROXY_CMD=""
+if [[ -n "${http_proxy}" ]]; then
+  PROXY_CMD="RUN echo \"[http]\" > \$HOME/.gitconfig && \
+      echo \"proxy = ${http_proxy}\" >> \$HOME/.gitconfig"
+fi
+
 Dockerfile=$(cat << EOF
 FROM ${DOCKER_BASE}${DISTRO} as openbmc-base
 
@@ -507,13 +516,14 @@
 RUN sed -i '1iDefaults umask=000' /etc/sudoers
 RUN echo "${USER} ALL=(ALL) NOPASSWD: ALL" >>/etc/sudoers
 
+${PROXY_CMD}
+
 RUN /bin/bash
 EOF
 )
 fi
 ################################# docker img # #################################
 
-http_proxy=${http_proxy:-}
 proxy_args=""
 if [[ -n "${http_proxy}" ]]; then
   proxy_args="--build-arg http_proxy=${http_proxy} --build-arg https_proxy=${http_proxy}"