diff --git a/testing/docker/tester/Dockerfile b/testing/docker/tester/Dockerfile
index 8aecdb8f677c..29f720930bec 100644
--- a/testing/docker/tester/Dockerfile
+++ b/testing/docker/tester/Dockerfile
@@ -17,9 +17,8 @@ RUN chmod u+x /home/worker/bin/buildbot_step
 RUN chmod u+x /usr/local/bin/linux64-minidump_stackwalk
 RUN apt-get install -y python-pip && pip install virtualenv;
 RUN mkdir Documents; mkdir Pictures; mkdir Music; mkdir Videos; mkdir artifacts
-RUN npm install -g npm@^2.0.0
 RUN npm install -g taskcluster-vcs@2.3.4
-RUN npm install -g taskcluster-npm-cache@1.1.14
+RUN npm install -g taskcluster-npm-cache@1.1.12
 RUN rm -Rf .cache && mkdir -p .cache
 ENV PATH $PATH:/home/worker/bin
 
diff --git a/testing/docker/tester/VERSION b/testing/docker/tester/VERSION
index 42045acae20f..1c09c74e221c 100644
--- a/testing/docker/tester/VERSION
+++ b/testing/docker/tester/VERSION
@@ -1 +1 @@
-0.3.4
+0.3.3