diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a7786a..e11aa63 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ jobs:
           - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
 
           # JRuby
           - jruby-9.3
diff --git a/README.md b/README.md
index ee101c4..1e6d428 100644
--- a/README.md
+++ b/README.md
@@ -49,9 +49,9 @@ default, instead it assumes you use a proper log formatter instead.
 Lograge is actively tested against current and officially supported Ruby and
 Rails releases. That said, Lograge _should_ work with older releases.
 
-- [Rails](https://endoflife.date/rails): Edge, 6.1, 6.0, 5.2
+- [Rails](https://endoflife.date/rails): Edge, 7.1, 7.0, 6.1, 6.0, 5.2
 - Rubies:
-  - [MRI](https://endoflife.date/ruby): HEAD, 3.1.0-preview1, 3.0, 2.7, 2.6
+  - [MRI](https://endoflife.date/ruby): HEAD, 3.3, 3.2 3.1, 3.0, 2.7, 2.6
   - JRuby: HEAD, 9.2, 9.1
   - TruffleRuby: HEAD, 21.3