diff --git a/Gemfile.lock b/Gemfile.lock
index 43c4c302..e3caeae9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -372,7 +372,10 @@ GEM
       slop (~> 3.4)
     public_suffix (3.1.1)
     puma (3.12.2)
-    rack (2.0.7)
+    rack (2.0.8)
+    rack-openid (1.3.1)
+      rack (>= 1.1.0)
+      ruby-openid (>= 2.1.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)