diff --git a/requirements/dev_lock.txt b/requirements/dev_lock.txt
index f7d35850a4..e5e0ab00ab 100644
--- a/requirements/dev_lock.txt
+++ b/requirements/dev_lock.txt
@@ -134,7 +134,7 @@ social-auth-core==1.4.0   # via social-auth-app-django
 sockjs-tornado==1.0.3
 sourcemap==0.2.1
 sphinx-rtd-theme==0.2.4
-sphinx==1.6.3
+sphinx==1.6.2
 sphinxcontrib-websupport==1.0.1  # via sphinx
 sqlalchemy==1.1.13
 statsd==2.1.2             # via django-statsd-mozilla
diff --git a/requirements/docs.txt b/requirements/docs.txt
index 124e141c98..be9f4db3bf 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -3,7 +3,7 @@
 # documentation.
 
 # Needed to build RTD docs
-sphinx==1.6.3
+sphinx==1.6.2
 sphinx-rtd-theme==0.2.4
 
 # Needed to build markdown docs