diff --git a/Gemfile b/Gemfile
index 5d24cee50f..74dd49c6f6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,4 +12,4 @@ gem "jekyll-scholar"
 gem "jekyll-assets", path: "_gems/jekyll-assets"
 gem "uglifier"
 gem "ruby-vips"
-gem "rqrcode", "~> 2.0"
+gem "rqrcode", "~> 3.1"
diff --git a/Gemfile.lock b/Gemfile.lock
index 5a33e19a29..5e2778ca3b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -154,10 +154,10 @@ GEM
       ffi (~> 1.0)
     rexml (3.4.0)
     rouge (4.5.1)
-    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-vips (2.2.3)
       ffi (~> 1.12)
       logger
@@ -197,7 +197,7 @@ DEPENDENCIES
   jekyll-redirect-from
   jekyll-scholar
   jekyll-seo-tag!
-  rqrcode (~> 2.0)
+  rqrcode (~> 3.1)
   ruby-vips
   uglifier