diff --git a/requirements/common.txt b/requirements/common.txt
index 0479617fdf..726c262417 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -107,7 +107,7 @@ pytz==2017.2
 redis==2.10.5
 
 # Dependencies of our API
-requests==2.18.1
+requests==2.18.4
 idna==2.5
 urllib3==1.21.1
 
diff --git a/requirements/py3_common_lock.txt b/requirements/py3_common_lock.txt
index fd39ed493b..75bafc1dd8 100644
--- a/requirements/py3_common_lock.txt
+++ b/requirements/py3_common_lock.txt
@@ -81,7 +81,7 @@ pytz==2017.2
 redis==2.10.5
 regex==2017.7.28
 requests-oauthlib==0.8.0
-requests==2.18.1
+requests==2.18.4
 rsa==3.4.2
 simplegeneric==0.8.1      # via ipython
 simplejson==3.10.0