diff --git a/Gemfile.lock b/Gemfile.lock
index f2454f1..c1ada60 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
       ffi (>= 0.5.0)
     rerun (0.11.0)
       listen (~> 3.0)
-    ruby-openid (2.7.0)
+    ruby-openid (2.9.1)
     sinatra (1.4.7)
       rack (~> 1.5)
       rack-protection (~> 1.4)