diff --git a/requirements.txt b/requirements.txt
index a879d652..189b627b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cython>=0.19.2
-matplotlib>=1.0
+matplotlib>=1.1.0
 numpy>=1.6.1
 scipy>=0.9
 six>=1.3
diff --git a/tools/travis_before_install.sh b/tools/travis_before_install.sh
index 2f71faaa..8dad03f7 100755
--- a/tools/travis_before_install.sh
+++ b/tools/travis_before_install.sh
@@ -29,8 +29,6 @@ if [[ $TRAVIS_PYTHON_VERSION == 2.7* ]]; then
     sudo apt-get install python-scipy python-matplotlib
     sed -i 's/cython>=/cython==/g' requirements.txt
     sed -i 's/networkx>=/networkx==/g' requirements.txt
-    sed -i '/matplotlib/d' requirements.txt
-    sed -i '/scipy/d' requirements.txt
 else
     virtualenv -p python --system-site-packages ~/venv
 fi