diff --git a/requirements.txt b/requirements.txt
index d0b7548dc..cf1575e30 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.11
+numpy==1.11.1
 pandas==0.18.1
 scipy==0.17.1
 scikit-learn==0.17.1