diff --git a/Gemfile.lock b/Gemfile.lock
index b78552a6691..e3e321584fe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,8 +86,9 @@ GEM
     colored2 (3.1.2)
     concurrent-ruby (1.1.5)
     connection_pool (2.2.2)
-    cose (0.10.0)
+    cose (0.11.0)
       cbor (~> 0.5.9)
+      openssl-signature_algorithm (~> 0.3.0)
     cppjieba_rb (0.3.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -252,6 +253,7 @@ GEM
     openid-redis-store (0.0.2)
       redis
       ruby-openid
+    openssl-signature_algorithm (0.3.0)
     optimist (3.0.0)
     parallel (1.19.1)
     parallel_tests (2.30.1)