diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 5132dc9992..b9b92f2411 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -446,7 +446,7 @@ axes:
     values:
       - id: ubuntu-22.04
         display_name: "Ubuntu 22.04"
-        run_on: ubuntu2004-small
+        run_on: ubuntu2204-small
         variables:
           DOCKER_DISTRO: ubuntu2204
       - id: debian11
@@ -535,6 +535,10 @@ axes:
         display_name: "Rails 7.1"
         variables:
           RAILS: "7.1"
+      - id: "7.2"
+        display_name: "Rails 7.2"
+        variables:
+          RAILS: "7.2"
 
   - id: "i18n"
     display_name: I18n version
@@ -690,7 +694,7 @@ buildvariants:
     driver: ["current"]
     mongodb-version: "6.0"
     topology: "standalone"
-    rails: ['7.0', '7.1']
+    rails: ['7.0', '7.1', '7.2']
     os: ubuntu-22.04
     fle: helper
   display_name: "${rails}, ${driver}, ${mongodb-version} (FLE ${fle})"
@@ -776,8 +780,8 @@ buildvariants:
     mongodb-version: '6.0'
     topology: standalone
     app-tests: yes
-    rails: ['6.0', '6.1', '7.0', '7.1']
-    os: rhel80
+    rails: ['6.0', '6.1', '7.0', '7.1', '7.2']
+    os: ubuntu-22.04
   display_name: "app tests ${driver}, ${ruby}, ${rails}"
   tasks:
     - name: "test"
diff --git a/.evergreen/config/axes.yml.erb b/.evergreen/config/axes.yml.erb
index 750f1e7f9b..659da7b533 100644
--- a/.evergreen/config/axes.yml.erb
+++ b/.evergreen/config/axes.yml.erb
@@ -121,7 +121,7 @@ axes:
     values:
       - id: ubuntu-22.04
         display_name: "Ubuntu 22.04"
-        run_on: ubuntu2004-small
+        run_on: ubuntu2204-small
         variables:
           DOCKER_DISTRO: ubuntu2204
       - id: debian11
@@ -210,6 +210,10 @@ axes:
         display_name: "Rails 7.1"
         variables:
           RAILS: "7.1"
+      - id: "7.2"
+        display_name: "Rails 7.2"
+        variables:
+          RAILS: "7.2"
 
   - id: "i18n"
     display_name: I18n version
diff --git a/.evergreen/config/variants.yml.erb b/.evergreen/config/variants.yml.erb
index baa0f7d39c..58b56eb9cd 100644
--- a/.evergreen/config/variants.yml.erb
+++ b/.evergreen/config/variants.yml.erb
@@ -115,7 +115,7 @@ buildvariants:
     driver: ["current"]
     mongodb-version: "6.0"
     topology: "standalone"
-    rails: ['7.0', '7.1']
+    rails: ['7.0', '7.1', '7.2']
     os: ubuntu-22.04
     fle: helper
   display_name: "${rails}, ${driver}, ${mongodb-version} (FLE ${fle})"
@@ -201,8 +201,8 @@ buildvariants:
     mongodb-version: '6.0'
     topology: standalone
     app-tests: yes
-    rails: ['6.0', '6.1', '7.0', '7.1']
-    os: rhel80
+    rails: ['6.0', '6.1', '7.0', '7.1', '7.2']
+    os: ubuntu-22.04
   display_name: "app tests ${driver}, ${ruby}, ${rails}"
   tasks:
     - name: "test"
diff --git a/gemfiles/rails-7.2.gemfile b/gemfiles/rails-7.2.gemfile
new file mode 100644
index 0000000000..bdc1062ec6
--- /dev/null
+++ b/gemfiles/rails-7.2.gemfile
@@ -0,0 +1,11 @@
+# rubocop:todo all
+source 'https://rubygems.org'
+
+gem 'actionpack', '~> 7.2'
+gem 'activemodel', '~> 7.2'
+
+gemspec path: '..'
+
+require_relative './standard'
+
+standard_dependencies
diff --git a/mongoid.gemspec b/mongoid.gemspec
index ea4a6185a4..37edf0b496 100644
--- a/mongoid.gemspec
+++ b/mongoid.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |s|
   # Ruby 3.0 requires ActiveModel 6.0 or higher.
   # activemodel 7.0.0 cannot be used due to Class#descendants issue
   # See: https://github.com/rails/rails/pull/43951
-  s.add_dependency("activemodel", ['>=5.1', '<7.2', '!= 7.0.0'])
+  s.add_dependency("activemodel", ['>=5.1', '<7.3', '!= 7.0.0'])
   s.add_dependency("mongo", ['>=2.18.0', '<3.0.0'])
   s.add_dependency("concurrent-ruby", ['>= 1.0.5', '< 2.0'])
 
diff --git a/spec/mongoid/serializable_spec.rb b/spec/mongoid/serializable_spec.rb
index 7629d0de6a..95dcaa56b0 100644
--- a/spec/mongoid/serializable_spec.rb
+++ b/spec/mongoid/serializable_spec.rb
@@ -510,13 +510,15 @@
             end
 
             it "includes the first relation" do
-              expect(relation_hash[0]).to include
+              expect(relation_hash[0]).to include(
                 { "_id" => "kudamm", "street" => "Kudamm" }
+              )
             end
 
             it "includes the second relation" do
-              expect(relation_hash[1]).to include
+              expect(relation_hash[1]).to include(
                 { "_id" => "tauentzienstr", "street" => "Tauentzienstr" }
+              )
             end
           end
 
@@ -527,13 +529,15 @@
             end
 
             it "includes the first relation" do
-              expect(relation_hash[0]).to include
+              expect(relation_hash[0]).to include(
                 { "_id" => "kudamm", "street" => "Kudamm" }
+              )
             end
 
             it "includes the second relation" do
-              expect(relation_hash[1]).to include
+              expect(relation_hash[1]).to include(
                 { "_id" => "tauentzienstr", "street" => "Tauentzienstr" }
+              )
             end
           end
 
@@ -652,8 +656,9 @@
             end
 
             it "includes the specified relation" do
-              expect(relation_hash).to include
-                { "_id" => "leo-marvin", "first_name" => "Leo", "last_name" => "Marvin" }
+              expect(relation_hash).to include(
+                { "_id" => "Leo-Marvin", "first_name" => "Leo", "last_name" => "Marvin" }
+              )
             end
           end
 
@@ -664,8 +669,9 @@
             end
 
             it "includes the specified relation" do
-              expect(relation_hash).to include
-                { "_id" => "leo-marvin", "first_name" => "Leo", "last_name" => "Marvin" }
+              expect(relation_hash).to include(
+                { "_id" => "Leo-Marvin", "first_name" => "Leo", "last_name" => "Marvin" }
+              )
             end
           end
 
@@ -676,8 +682,9 @@
             end
 
             it "includes the specified relation sans exceptions" do
-              expect(relation_hash).to include
+              expect(relation_hash).to include(
                 { "first_name" => "Leo", "last_name" => "Marvin" }
+              )
             end
           end
         end
diff --git a/spec/shared b/spec/shared
index 0fdadd7881..5b3115d3df 160000
--- a/spec/shared
+++ b/spec/shared
@@ -1 +1 @@
-Subproject commit 0fdadd7881fbc2ed4df999015a751de3e7475fda
+Subproject commit 5b3115d3df9c26d17ac1b450f5cedacdb857507c