diff --git a/benchmarks/lobsters/Gemfile b/benchmarks/lobsters/Gemfile
index e7d5ec55..5f9688b6 100644
--- a/benchmarks/lobsters/Gemfile
+++ b/benchmarks/lobsters/Gemfile
@@ -36,7 +36,10 @@ gem "actionpack-page_caching"
 # security
 gem "bcrypt", "~> 3.1.2"
 gem "rotp"
-gem "rqrcode"
+# Waiting for https://github.com/whomwah/rqrcode/pull/160 to be released
+gem "rqrcode", github: "whomwah/rqrcode"
+# Waiting for https://github.com/whomwah/rqrcode_core/pull/48 to be released
+gem "rqrcode_core", github: "whomwah/rqrcode_core"
 
 # parsing
 gem "pdf-reader"
diff --git a/benchmarks/lobsters/Gemfile.lock b/benchmarks/lobsters/Gemfile.lock
index d47062fd..20e33012 100644
--- a/benchmarks/lobsters/Gemfile.lock
+++ b/benchmarks/lobsters/Gemfile.lock
@@ -1,3 +1,17 @@
+GIT
+  remote: https://github.com/whomwah/rqrcode.git
+  revision: f9fa33704951158a38b3cf04311e295d3a0e947d
+  specs:
+    rqrcode (3.1.0)
+      chunky_png (~> 1.0)
+      rqrcode_core (~> 2.0)
+
+GIT
+  remote: https://github.com/whomwah/rqrcode_core.git
+  revision: a35eebde0f650074331206ccc7c6dc39a3fbb664
+  specs:
+    rqrcode_core (2.0.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -229,10 +243,6 @@ GEM
       io-console (~> 0.5)
     rexml (3.4.2)
     rotp (6.3.0)
-    rqrcode (3.1.0)
-      chunky_png (~> 1.0)
-      rqrcode_core (~> 2.0)
-    rqrcode_core (2.0.0)
     rspec-core (3.13.5)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.5)
@@ -358,7 +368,8 @@ DEPENDENCIES
   railties (~> 8.0)
   rb-readline
   rotp
-  rqrcode
+  rqrcode!
+  rqrcode_core!
   rspec-rails (~> 6.0.0.rc1)
   rubocop (= 0.81)
   rubocop-rails
@@ -471,8 +482,8 @@ CHECKSUMS
   reline (0.6.2) sha256=1dad26a6008872d59c8e05244b119347c9f2ddaf4a53dce97856cd5f30a02846
   rexml (3.4.2) sha256=1384268554a37af5da5279431ca3f2f37d46f09ffdd6c95e17cc84c83ea7c417
   rotp (6.3.0) sha256=75d40087e65ed0d8022c33055a6306c1c400d1c12261932533b5d6cbcd868854
-  rqrcode (3.1.0) sha256=e2d5996375f6e9a013823c289ed575dbea678b8e0388574302c1fac563f098af
-  rqrcode_core (2.0.0) sha256=1e40b823ab57a96482a417fff5dd5c33645a00cea6ef5d9e342fecc5ef91d9ab
+  rqrcode (3.1.0)
+  rqrcode_core (2.0.0)
   rspec-core (3.13.5) sha256=ab3f682897c6131c67f9a17cfee5022a597f283aebe654d329a565f9937a4fa3
   rspec-expectations (3.13.5) sha256=33a4d3a1d95060aea4c94e9f237030a8f9eae5615e9bd85718fe3a09e4b58836
   rspec-mocks (3.13.5) sha256=e4338a6f285ada9fe56f5893f5457783af8194f5d08884d17a87321d5195ea81