diff --git a/Dockerfile b/Dockerfile
index 0eb7e3cdafbb734213a43917171d22f04e4c1eec..3068d01358bc15a7d7fc1e04127b7aaa76f59258 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,7 +24,6 @@ RUN apt-get install --install-recommends --assume-yes \
         python2.7 \
         python2.7-dev \
         python-glue \
-        python-matplotlib \
         python-pip \
         python-voeventlib \
         procps \
diff --git a/requirements.txt b/requirements.txt
index c5c7783ba1c64714ce3778e2c9fcbdc804b5aae7..3f83fedf92514b5a2ba0df8613887e6029d33e18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@ ipython==5.5.0
 ligo-lvalert==1.5.4
 ligo-lvalert-overseer==0.1.2
 lxml==4.2.0
+matplotlib==2.0.0
 mock==2.0.0
 mysql-python==1.2.5
 packaging==17.1