diff --git a/Gemfile.lock b/Gemfile.lock
index b7a2965..7160dda 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -93,7 +93,7 @@ GEM
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
-    hashie (3.6.0)
+    hashie (5.0.0)
     i18n (1.5.3)
       concurrent-ruby (~> 1.0)
     listen (3.0.8)
@@ -119,8 +119,8 @@ GEM
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    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-cas (1.1.1)
       addressable (~> 2.3)
@@ -133,7 +133,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
     puma (3.12.0)
-    rack (2.0.6)
+    rack (2.2.4)
     rack-cors (1.0.2)
     rack-test (0.6.3)
       rack (>= 1.0)