diff --git a/.travis.yml b/.travis.yml
index bbce9922e..d7064ee04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,7 @@
+env:
+ global:
+ - LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/travis/.mujoco/mujoco200/bin
+
 matrix:
     include:
         - os: linux
diff --git a/setup.py b/setup.py
index 6dc1373be..3c6c4cae1 100644
--- a/setup.py
+++ b/setup.py
@@ -20,13 +20,14 @@
         'joblib',
         'matplotlib',
         'mpi4py',
+        'mujoco-py<2.1,>=2.0',
         'numpy',
         'pandas',
         'pytest',
         'psutil',
         'scipy',
         'seaborn==0.8.1',
-        'tensorflow>=1.8.0',
+        'tensorflow>=1.8.0,<2.0',
         'tqdm'
     ],
     description="Teaching tools for introducing people to deep RL.",