diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2901ea9..f84a84f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,5 @@
 name: CI Test
-on: [ push ]
+on: [push, pull_request]
 jobs:
   build:
     name: Ruby ${{ matrix.ruby }}
@@ -7,18 +7,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - ruby: 3.2
-            bundler_version: 2.4.4
-          - ruby: 3.1
-            bundler_version: 2.4.4
-          - ruby: 3.0
-            bundler_version: 2.4.4
-          - ruby: 2.7
-            bundler_version: 2.4.4
+        ruby:
+          - 3.2
+          - 3.3
+          - 3.4
+          - 4.0
     env:
       CI: 1
-      BUNDLER_VERSION: ${{ matrix.bundler_version }}
       USE_OFFICIAL_GEM_SOURCE: 1
     steps:
       - uses: actions/checkout@v3
@@ -26,7 +21,7 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby }}
       - name: Install bundler
-        run: gem install bundler -v $BUNDLER_VERSION
+        run: gem install bundler
       - name: Install dependencies
         run: bundle install
       - run: bundle exec rspec
diff --git a/singed.gemspec b/singed.gemspec
index d29d705..56936ea 100644
--- a/singed.gemspec
+++ b/singed.gemspec
@@ -8,7 +8,7 @@ Gem::Specification.new do |spec|
   spec.authors = ["Josh Nichols"]
   spec.email = ["josh.nichols@gusto.com"]
   spec.summary = "Quick and easy way to get flamegraphs from a specific part of your code base"
-  spec.required_ruby_version = ">= 2.7.0"
+  spec.required_ruby_version = ">= 3.2.0"
   spec.homepage = "https://github.com/rubyatscale/singed"
   spec.metadata = {
     "source_code_uri" => "https://github.com/rubyatscale/singed",