diff --git a/Gemfile.lock b/Gemfile.lock
index 63caf9e..36a4edf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,10 +148,10 @@ GEM
       ffi (~> 1.0)
     rexml (3.4.1)
     rouge (4.6.0)
-    rqrcode (2.2.0)
+    rqrcode (3.1.0)
       chunky_png (~> 1.0)
-      rqrcode_core (~> 1.0)
-    rqrcode_core (1.2.0)
+      rqrcode_core (~> 2.0)
+    rqrcode_core (2.0.0)
     ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
     sass-embedded (1.89.2)