diff --git a/etc/requirements.txt b/etc/requirements.txt
index e7846bd5..8d0376cf 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -6,6 +6,9 @@ Logbook==0.6.0
 pytz==2013.9
 numpy==1.8.0
 
+# Needed for parts of pandas.stats
+statsmodels==0.5.0
+
 pandas==0.12.0
 python-dateutil==2.2
 six==1.5.2
diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index 5f82ed00..de67a62d 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -25,6 +25,5 @@ matplotlib==1.3.1
 tornado==3.2
 pyparsing==2.0.1
 patsy==0.2.1
-statsmodels==0.4.3
 
 Markdown==2.3.1