diff --git a/.ruby-version b/.ruby-version
index 276cbf9..860487c 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.3.0
+2.7.1
diff --git a/README.md b/README.md
index 9b1e9dd..c028742 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,9 @@ Make sure to `bundle install` first and install required libraries.
 
 By default the emulator will run the boot rom, if you wish to skip it then add `--skip-boot` as an option.
 
+## Try turning on the --jit and --enable-frozen-string-literal to get max fps
+`RUBYOPT="--enable-frozen-string-literal --jit --jit-max-cache=100000 --jit-min-calls=3" bundle exec exe/waterfoul start <path to rom>`
+
 ## Requirements
 The [sdl2](https://www.libsdl.org/download-2.0.php) library is currenty used to render pixels. Most platforms have packages avaliable, else see [here](https://wiki.libsdl.org/Installation). This library is required and needs to be installed before you can run the emulator.
 
diff --git a/lib/waterfoul/version.rb b/lib/waterfoul/version.rb
index 9e36215..5810c60 100644
--- a/lib/waterfoul/version.rb
+++ b/lib/waterfoul/version.rb
@@ -1,3 +1,3 @@
 module Waterfoul
-  VERSION = "0.1.0"
+  VERSION = "0.1.1"
 end
diff --git a/waterfoul.gemspec b/waterfoul.gemspec
index 635e87e..1249cf9 100644
--- a/waterfoul.gemspec
+++ b/waterfoul.gemspec
@@ -26,13 +26,13 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.10"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "bundler", "~> 2.1"
+  spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency "byebug"
   spec.add_development_dependency "guard"
   spec.add_development_dependency "guard-rspec"
 
   spec.add_dependency "thor"
-  spec.add_dependency "ffi", "~> 1.9.14"
+  spec.add_dependency "ffi", "~> 1.12.2"
 end