diff --git a/requirements.txt b/requirements.txt
index be3a292f0..82bb1d952 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,6 +14,9 @@ TA-Lib==0.4.10
 pytest==3.2.3
 pytest-mock==1.6.3
 pytest-cov==2.5.1
+hyperopt==0.1
+# do not upgrade networkx before this is fixed https://github.com/hyperopt/hyperopt/issues/325
+networkx==1.11
 
 # Required for plotting data
 #matplotlib==2.1.0