diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b78060d..8a9d4a3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,17 +5,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        gemfile: [ rails_6.1, rails_7.0, rails_7.1 ]
-        ruby: [ 2.6, 2.7, '3.0', 3.1, 3.2 ]
-        exclude:
-          - gemfile: rails_5.1
-            ruby: 3.0
-          - gemfile: rails_5.2
-            ruby: 3.0
-          - gemfile: rails_7.0
-            ruby: 2.6
-          - gemfile: rails_7.1
-            ruby: 2.6
+        gemfile: [ rails_7.0, rails_7.1, rails_7.2 ]
+        ruby: [ 3.1, 3.2, 3.3 ]
 
     runs-on: ubuntu-latest
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
diff --git a/Appraisals b/Appraisals
index 80422bd..ace5234 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,7 +1,3 @@
-appraise "rails-6.1" do
-  gem "rails", "~>6.1.0"
-end
-
 appraise "rails-7.0" do
   gem "rails", "~>7.0.0"
 end
@@ -10,3 +6,7 @@ appraise "rails-7.1" do
   gem "rails", "~>7.1.0"
 end
 
+appraise "rails-7.2" do
+  gem "rails", "~>7.2.0"
+end
+
diff --git a/gemfiles/rails_6.1.gemfile b/gemfiles/rails_7.2.gemfile
similarity index 80%
rename from gemfiles/rails_6.1.gemfile
rename to gemfiles/rails_7.2.gemfile
index 6eb42db..fbbaf0e 100644
--- a/gemfiles/rails_6.1.gemfile
+++ b/gemfiles/rails_7.2.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~>6.1.0"
+gem "rails", "~>7.2.0"
 
 gemspec path: "../"