diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 33cbdb3..1e95f75 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -6,7 +6,7 @@ jobs:
     continue-on-error: ${{ matrix.allow-failures }}
     strategy:
       matrix:
-        ruby: ['3.0', '3.1', '3.2', '3.3']
+        ruby: ['3.1', '3.2', '3.3', '3.4']
         allow-failures: [false]
         include:
           - ruby: head
@@ -32,7 +32,7 @@ jobs:
         run: |
           bundle exec rake
       - uses: codecov/codecov-action@v5
-        if: matrix.ruby == '3.3'
+        if: matrix.ruby == '3.4'
         with:
           fail_ci_if_error: true
         env:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a660d1..a48da60 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,11 +2,16 @@
 
 ## master (unreleased)
 
+### New Features
+
+* Add `ruby-3.4` to CI
+
 ### Changes
 
 * Fixes from `rubocop-1.63.1` upgrade
 * Fixes from `rubocop-1.65.0` upgrade (`Gemspec/AddRuntimeDependency`)
 * Code changes after update to `rubocop-1.68.0`
+* Remove `ruby-3.0` from CI, since it's EOLed
 
 ## 0.5.0 (2024-02-02)