diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index ebfd6a64..f8f61f93 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -21,7 +21,7 @@ pyandoc==0.0.1
 scipy==0.13.2
 matplotlib==1.3.1
 # tornado and pyparsing are required by matplotlib
-tornado==3.1.1
+tornado==3.2
 pyparsing==2.0.1
 patsy==0.2.1
 statsmodels==0.4.3