diff --git a/Gemfile.lock b/Gemfile.lock
index 07cbfc5..68c59db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     backports (3.21.0)
-    chunky_png (1.3.15)
+    chunky_png (1.4.0)
     coderay (1.1.3)
     coffee-script (2.4.1)
       coffee-script-source
@@ -119,10 +119,10 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rqrcode (1.2.0)
+    rqrcode (2.0.0)
       chunky_png (~> 1.0)
-      rqrcode_core (~> 0.2)
-    rqrcode_core (0.2.0)
+      rqrcode_core (~> 1.0)
+    rqrcode_core (1.0.0)
     sass (3.4.25)
     sassc (2.4.0)
       ffi (~> 1.9)