diff --git a/Gemfile.lock b/Gemfile.lock
index 8b6363b..8884234 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,5 +1,5 @@
 GIT
-  remote: git://github.com/neo4jrb/middleman-gh-pages.git
+  remote: https://github.com/neo4jrb/middleman-gh-pages.git
   revision: 777064529ae16c49c0a523e7b7729ed49173dfdd
   branch: gh-user-page
   specs:
@@ -111,7 +111,7 @@ GEM
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
-    rake (10.4.2)
+    rake (13.0.6)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -136,7 +136,7 @@ GEM
     tilt (1.4.1)
     timers (4.0.4)
       hitimes
-    tzinfo (1.2.4)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.0.15)
     uglifier (2.7.2)