diff --git a/.github/workflows/precompiled.yml b/.github/workflows/precompiled.yml
index 7b03b81..2de6b58 100644
--- a/.github/workflows/precompiled.yml
+++ b/.github/workflows/precompiled.yml
@@ -21,8 +21,8 @@ on:
 jobs:
   ruby_versions:
     outputs:
-      setup_ruby: "['3.1', '3.2', '3.3', '3.4']"
-      image_tag: "['3.1', '3.2', '3.3', '3.4']"
+      setup_ruby: "['3.2', '3.3', '3.4']"
+      image_tag: "['3.2', '3.3', '3.4']"
     runs-on: ubuntu-latest
     steps:
       - run: echo "generating rubies ..."
diff --git a/precompiled/Rakefile b/precompiled/Rakefile
index 7d0e40e..34f58e5 100644
--- a/precompiled/Rakefile
+++ b/precompiled/Rakefile
@@ -6,7 +6,7 @@ require "rake/testtask"
 require "rake/extensiontask"
 require "rake_compiler_dock"
 
-cross_rubies = ["3.4.1", "3.3.5", "3.2.6", "3.1.6"]
+cross_rubies = ["3.4.1", "3.3.5", "3.2.6"]
 cross_platforms = [
   "aarch64-linux-gnu",
   "aarch64-linux-musl",
diff --git a/precompiled/rcee_precompiled.gemspec b/precompiled/rcee_precompiled.gemspec
index 875b137..e9a0fa8 100644
--- a/precompiled/rcee_precompiled.gemspec
+++ b/precompiled/rcee_precompiled.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
   spec.summary       = "Example gem demonstrating a basic C extension."
   spec.description   = "Part of a project to explain how Ruby C extensions work."
   spec.homepage      = "https://github.com/flavorjones/ruby-c-extensions-explained"
-  spec.required_ruby_version = ">= 3.0.0"
+  spec.required_ruby_version = ">= 3.2.0"
   spec.license = "MIT"
 
   # Specify which files should be added to the gem when it is released.