diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
new file mode 100644
index 0000000..891c617
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -0,0 +1,27 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
new file mode 100644
index 0000000..bbcbbe7
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..2ac35da
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,22 @@
+<!--
+Thanks for submitting a pull request! We appreciate you spending the time to work on these changes.
+Please provide enough information so that others can review your pull request.
+-->
+
+## Summary
+
+<!--
+Explain the **motivation** for making this change.
+-->
+
+## Changelog
+
+<!--
+Help reviewers and the release process by writing your own changelog entry. See CHANGELOG.md
+-->
+
+## Test Plan
+
+<!--
+Demonstrate the code is solid. Example: Add specs for the change you make.
+-->
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d5a0da0..34beb9c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v2
         with:
-          go-version: '1.17.7'
+          go-version: '1.20.5'
 
       - name: Build Linux
         if: matrix.os == 'ubuntu-20.04'
@@ -76,7 +76,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v2
         with:
-          go-version: '1.17.7'
+          go-version: '1.20.5'
 
       - name: Install OS dependencies
         shell: bash
diff --git a/.ruby-version b/.ruby-version
index 944880f..be94e6f 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.2.0
+3.2.2
diff --git a/Gemfile b/Gemfile
index e81ecb2..ed6eedd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,3 +6,7 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'rake', '~> 13.0'
+gem 'rspec', '~> 3.10.0'
+gem 'rubocop', '~> 1.7'
+gem 'simplecov', '~> 0.21.2'
+gem 'simplecov-console', '~> 0.9.1'
diff --git a/cobhan.gemspec b/cobhan.gemspec
index dc0261c..deef901 100644
--- a/cobhan.gemspec
+++ b/cobhan.gemspec
@@ -36,9 +36,4 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'ffi', '~> 1.15.4'
-
-  spec.add_development_dependency 'rspec', '~> 3.10.0'
-  spec.add_development_dependency 'rubocop', '~> 1.7'
-  spec.add_development_dependency 'simplecov', '~> 0.21.2'
-  spec.add_development_dependency 'simplecov-console', '~> 0.9.1'
 end
diff --git a/demo/demo.rb b/demo/demo.rb
index 5e31c53..e6a153a 100644
--- a/demo/demo.rb
+++ b/demo/demo.rb
@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
 require 'cobhan'
-require_relative './../spec/support/build_binary'
-require_relative './../spec/support/measure_time'
-require_relative './../spec/support/cobhan_module'
+require_relative '../spec/support/build_binary'
+require_relative '../spec/support/measure_time'
+require_relative '../spec/support/cobhan_module'
 
 LIB_ROOT_PATH =  File.join(__dir__, '../tmp')
 LIB_NAME = 'libcobhandemo'
diff --git a/spec/support/build_binary.rb b/spec/support/build_binary.rb
index 38392c1..9bd75f9 100644
--- a/spec/support/build_binary.rb
+++ b/spec/support/build_binary.rb
@@ -12,6 +12,6 @@ def build_binary(lib_root_path, lib_name)
     abort('Aborted.') unless input.downcase == 'y'
   end
 
-  Dir.mkdir_p(lib_root_path)
+  FileUtils.mkdir_p(lib_root_path)
   system("./spec/support/#{lib_name}/build.sh", exception: true)
 end
diff --git a/spec/support/libcobhandemo/arm64_build_and_test.sh b/spec/support/libcobhandemo/arm64_build_and_test.sh
index 188653d..7eb7d52 100755
--- a/spec/support/libcobhandemo/arm64_build_and_test.sh
+++ b/spec/support/libcobhandemo/arm64_build_and_test.sh
@@ -6,7 +6,7 @@ DYN_EXT="so"
 SYS_FN_PART="arm64"
 GOARCH="arm64"
 OUTPUT_FILE="$LIB_NAME-$SYS_FN_PART.$DYN_EXT"
-DOCKER_IMG=golang:1.17.7-bullseye
+DOCKER_IMG=golang:1.20.5-bullseye
 BUILD_CMD="GOOS=linux GOARCH=$GOARCH go build -buildmode=c-shared -ldflags='-s -w' -o $OUTPUT_FILE $LIB_NAME.go"
 BUILD_DIR="tmp/build/linux-arm64"
 
diff --git a/spec/support/libcobhandemo/build.sh b/spec/support/libcobhandemo/build.sh
index 3c5ee93..7cf180e 100755
--- a/spec/support/libcobhandemo/build.sh
+++ b/spec/support/libcobhandemo/build.sh
@@ -2,6 +2,7 @@
 set -euo
 
 LIB_NAME=libcobhandemo
+ROOT_DIR=$(pwd)
 SRC_DIR="spec/support/$LIB_NAME"
 
 # Normalize machine architecture for file names
@@ -10,7 +11,7 @@ case $(uname -m) in
     SYS_FN_PART="x64"
     GOARCH="amd64"
     ;;
-  "aarch64")
+  "aarch64" | "arm64")
     SYS_FN_PART="arm64"
     GOARCH="arm64"
     ;;
@@ -23,17 +24,13 @@ esac
 # OS Detection
 case $(uname -s) in
   "Darwin")
+    GOOS=darwin
     DYN_EXT="dylib"
-    OUTPUT_FILE="$LIB_NAME-$SYS_FN_PART.$DYN_EXT"
-    DOCKER_IMG=neilotoole/xcgo:go1.17
-    BUILD_CMD="GOOS=darwin GOARCH=$GOARCH CC=o64-clang CXX=o64-clang++ go build -buildmode=c-shared -ldflags='-s -w' -o $OUTPUT_FILE $LIB_NAME.go"
     BUILD_DIR="tmp/build/darwin"
     ;;
   "Linux")
+    GOOS=linux
     DYN_EXT="so"
-    OUTPUT_FILE="$LIB_NAME-$SYS_FN_PART.$DYN_EXT"
-    DOCKER_IMG=golang:1.17.7-bullseye
-    BUILD_CMD="GOOS=linux GOARCH=$GOARCH go build -buildmode=c-shared -ldflags='-s -w' -o $OUTPUT_FILE $LIB_NAME.go"
     BUILD_DIR="tmp/build/linux"
     ;;
   *)
@@ -42,21 +39,14 @@ case $(uname -s) in
     ;;
 esac
 
+OUTPUT_FILE="$LIB_NAME-$SYS_FN_PART.$DYN_EXT"
+BUILD_CMD="GOOS=$GOOS GOARCH=$GOARCH go build -buildmode=c-shared -ldflags='-s -w' -o $OUTPUT_FILE $LIB_NAME.go"
+
 mkdir -p $BUILD_DIR
 cp -R $SRC_DIR/* $BUILD_DIR
+cd $BUILD_DIR
 
-# Debug
-echo $BUILD_CMD
-# docker run -it --rm --name cobhan-builder \
-#   --volume "$(pwd)/$BUILD_DIR":/usr/src/cobhan \
-#   -w /usr/src/cobhan \
-#   $DOCKER_IMG \
-#   bash
-
-docker run --rm --name cobhan-builder \
-  --volume "$(pwd)/$BUILD_DIR":/usr/src/cobhan \
-  -w /usr/src/cobhan \
-  $DOCKER_IMG \
-  sh -c "$BUILD_CMD"
-
+echo "$BUILD_CMD"
+sh -c "$BUILD_CMD"
+cd "$ROOT_DIR"
 cp $BUILD_DIR/$OUTPUT_FILE tmp/