diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fe76405..940033f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: [ ruby-2.5, ruby-2.6, ruby-2.7, ruby-3.0, jruby-9.2 ]
+        ruby: [ ruby-2.5, ruby-2.6, ruby-2.7, ruby-3.0, ruby-3.1, ruby-3.2, ruby-3.3, jruby-9.2 ]
         os: [ ubuntu-latest, windows-latest ]
         exclude:
           # TODO(ixti): fails because it can't find spec files o_O
diff --git a/README.md b/README.md
index 25471fa..a81c320 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,9 @@ versions:
 * Ruby 2.6
 * Ruby 2.7
 * Ruby 3.0
+* Ruby 3.1
+* Ruby 3.2
+* Ruby 3.3
 * JRuby 9.2
 
 If something doesn't work on one of these versions, it's a bug.