diff --git a/Gemfile.lock b/Gemfile.lock
index 04909aa..941bd05 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,7 +144,7 @@ GEM
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt
-    hashie (3.5.7)
+    hashie (5.0.0)
     highline (2.0.0)
     i18n (1.0.1)
       concurrent-ruby (~> 1.0)
@@ -174,7 +174,9 @@ GEM
       mimemagic (~> 0.3.2)
     method_source (0.9.0)
     mime-types (2.99.3)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
@@ -195,8 +197,8 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    omniauth (1.8.1)
-      hashie (>= 3.4.6, < 3.6.0)
+    omniauth (1.9.2)
+      hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
     omniauth-facebook (5.0.0)
       omniauth-oauth2 (~> 1.2)
@@ -230,7 +232,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.0.2)
     puma (3.11.4)
-    rack (2.0.5)
+    rack (2.2.4)
     rack-test (1.0.0)
       rack (>= 1.0, < 3)
     rails (5.2.0)