diff --git a/dev-support/jenkins/Dockerfile b/dev-support/jenkins/Dockerfile
index 519de6e3..ad68df94 100644
--- a/dev-support/jenkins/Dockerfile
+++ b/dev-support/jenkins/Dockerfile
@@ -17,7 +17,7 @@
 # Dockerfile for hbase-connectors pre-commit build.
 # https://builds.apache.org/job/PreCommit-HBASE-CONNECTORS-Build
 
-FROM maven:3.6-jdk-8
+FROM maven:3.8-jdk-8
 
 # hadolint ignore=DL3008
 RUN apt-get -q update && apt-get -q install --no-install-recommends -y \
@@ -31,7 +31,7 @@ RUN apt-get -q update && apt-get -q install --no-install-recommends -y \
 ###
 # Avoid out of memory errors in builds
 ###
-ENV MAVEN_OPTS -Xmx3g
+ENV MAVEN_OPTS=-Xmx3g
 
 CMD ["/bin/bash"]