diff --git a/Gemfile.lock b/Gemfile.lock
index 8c6c5c9e..3a176472 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
       temple (>= 0.8.0)
       tilt
     hashdiff (0.3.9)
-    hashie (3.6.0)
+    hashie (5.0.0)
     html2haml (2.2.0)
       erubis (~> 2.7.0)
       haml (>= 4.0, < 6)
@@ -215,8 +215,8 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    omniauth (1.9.0)
-      hashie (>= 3.4.6, < 3.7.0)
+    omniauth (1.9.2)
+      hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
     omniauth-github (1.3.0)
       omniauth (~> 1.5)
@@ -236,7 +236,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.3)
     racc (1.5.2)
-    rack (2.0.8)
+    rack (2.2.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)