diff --git a/beetle.gemspec b/beetle.gemspec
index 90d1e215..b13c4020 100644
--- a/beetle.gemspec
+++ b/beetle.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   }
 
   s.specification_version = 3
-  s.add_runtime_dependency "bunny",                   "~> 0.7.12"
+  s.add_runtime_dependency "bunny",                   "~> 0.7.13"
   s.add_runtime_dependency "redis",                   ">= 4.2.1"
   s.add_runtime_dependency "hiredis",                 ">= 0.4.5"
   s.add_runtime_dependency "amq-protocol",            "= 2.3.2"
diff --git a/lib/beetle.rb b/lib/beetle.rb
index 8fd4ca87..08a3dde9 100644
--- a/lib/beetle.rb
+++ b/lib/beetle.rb
@@ -2,11 +2,6 @@
 require 'bunny'                    # which bunny picks up
 require 'qrack/errors'             # needed by the publisher
 
-if Gem::Version.new(Bunny::VERSION) <= Gem::Version.new("0.7.12") && !defined?(::Fixnum)
-  require 'qrack/transport/buffer09'
-  Qrack::Transport09::Buffer.class_eval "Fixnum = Integer"
-end
-
 begin
   require 'redis/connection/hiredis' # require *before* redis as specified in the redis-rb gem docs
   require 'redis'