diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 119c8903..9c446d84 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
     strategy:
       matrix:
         rails: [ '7.0.1', '7.1.0', '7.2.0' ]
-        ruby: [ '2.7', '3.0', '3.1', '3.2', '3.3', '3.4' ]
+        ruby: [ '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', '3.5' ]
         exclude:
           - { rails: '7.2.0', ruby: '2.7' }
           - { rails: '7.2.0', ruby: '3.0' }
@@ -62,5 +62,5 @@ jobs:
       ruby: ${{ matrix.ruby }}
     strategy:
       matrix:
-        rails: [ '8.0.0' ]
-        ruby: [ '3.2', '3.3', '3.4' ]
+        rails: [ '8.0.0', '8.1.0' ]
+        ruby: [ '3.2', '3.3', '3.4', '3.5' ]
diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index d0b64b2b..93b2b9c1 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,9 @@
+#### Unreleased
+* Add rspec for higher versions of Ruby and Rails
+  > emmahsax: https://github.com/emmahsax/okcomputer/pull/19
+* Add benchmark gem as a dependency.
+  > willnet: https://github.com/emmahsax/okcomputer/pull/16
+
 #### v1.19.0
 * Update ActiveRecordMigrationsCheck to use public active_record methods and errors
   > dgarwood: https://github.com/emmahsax/okcomputer/pull/14
diff --git a/README.markdown b/README.markdown
index 1d99fa4d..3f9eb9d3 100644
--- a/README.markdown
+++ b/README.markdown
@@ -26,6 +26,7 @@ OkComputer currently fully supports the following Rails versions:
 
 In addition, the CI tests are passing on, but is not guaranteed to work with, the following Rails versions:
 
+* 8.1
 * 8.0
 * 7.2
 * 7.1