diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 55711a6..58bf1c9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby: ["3.2", "3.3", "3.4"]
-        activerecord: [71, 72, 80]
+        activerecord: [71, 72, 80, 81]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/Appraisals b/Appraisals
index e63761c..f7bf2e8 100644
--- a/Appraisals
+++ b/Appraisals
@@ -11,3 +11,7 @@ end
 appraise "ar-80" do
   gem "activerecord", "~> 8.0.0"
 end
+
+appraise "ar-81" do
+  gem "activerecord", "~> 8.1.0"
+end
diff --git a/gemfiles/ar_81.gemfile b/gemfiles/ar_81.gemfile
new file mode 100644
index 0000000..9d3fb58
--- /dev/null
+++ b/gemfiles/ar_81.gemfile
@@ -0,0 +1,24 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal", git: "https://github.com/thoughtbot/appraisal.git"
+gem "activerecord", "~> 8.1.0"
+gem "bundler", ">= 2.1.4"
+gem "m"
+gem "mini_racer"
+gem "minitest"
+gem "minitest-mock"
+gem "minitest-stub-const"
+gem "oj"
+gem "rack-test"
+gem "rake"
+gem "redis"
+gem "syntax_tree"
+gem "syntax_tree-disable_ternary"
+gem "guard", require: false
+gem "guard-minitest", require: false
+gem "rubocop", require: false
+gem "rubocop-discourse", require: false
+
+gemspec path: "../"