diff --git a/yarn.lock b/yarn.lock
index 2563117..fda6c42 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -137,8 +137,7 @@ etag@~1.7.0:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.7.0.tgz#03d30b5f67dd6e632d2945d30d6652731a34d5d8"
 
 express-session@^1.15.0:
-  version "1.15.0"
-  resolved "https://registry.yarnpkg.com/express-session/-/express-session-1.15.0.tgz#67131dd5b78a42bc57b50af0a14880265c03f919"
+  version "1.15.6"
   dependencies:
     cookie "0.3.1"
     cookie-signature "1.0.6"