diff --git a/Gemfile.lock b/Gemfile.lock
index 6255305a7..d505596be 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -856,9 +856,9 @@ GEM
       tilt (~> 2.0)
     sitemap_generator (6.0.2)
       builder (~> 3.0)
-    skylight (3.1.4)
-      skylight-core (= 3.1.4)
-    skylight-core (3.1.4)
+    skylight (3.1.5)
+      skylight-core (= 3.1.5)
+    skylight-core (3.1.5)
       activesupport (>= 4.2.0)
     slack-notifier (2.3.2)
     smart_properties (1.13.1)