diff --git a/CHANGELOG b/CHANGELOG
index fc83d637..f170f0fb 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+== 3.1.0 (2022-01-29)
+
+* Invoke on_assignment callback after assignment is stored in database; add global on_assignment callback (@frostmark)
+
 == 3.0.2 (2022-01-27)
 
 * Fix AbTest#alternative_for to always prefer persisted participants (@tgrathwell)
diff --git a/Gemfile.lock b/Gemfile.lock
index 828251b8..2b271299 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    vanity (3.0.2)
+    vanity (3.1.0)
       i18n
 
 GEM
diff --git a/gemfiles/rails42.gemfile.lock b/gemfiles/rails42.gemfile.lock
index 0d9ce6d5..0fc0cd2f 100644
--- a/gemfiles/rails42.gemfile.lock
+++ b/gemfiles/rails42.gemfile.lock
@@ -7,7 +7,7 @@ GIT
 PATH
   remote: ..
   specs:
-    vanity (3.0.2)
+    vanity (3.1.0)
       i18n
 
 GEM
diff --git a/gemfiles/rails42_protected_attributes.gemfile.lock b/gemfiles/rails42_protected_attributes.gemfile.lock
index b841be2f..132d1ef8 100644
--- a/gemfiles/rails42_protected_attributes.gemfile.lock
+++ b/gemfiles/rails42_protected_attributes.gemfile.lock
@@ -7,7 +7,7 @@ GIT
 PATH
   remote: ..
   specs:
-    vanity (3.0.2)
+    vanity (3.1.0)
       i18n
 
 GEM
diff --git a/gemfiles/rails51.gemfile.lock b/gemfiles/rails51.gemfile.lock
index a39b24ac..1d2c5fff 100644
--- a/gemfiles/rails51.gemfile.lock
+++ b/gemfiles/rails51.gemfile.lock
@@ -7,7 +7,7 @@ GIT
 PATH
   remote: ..
   specs:
-    vanity (3.0.2)
+    vanity (3.1.0)
       i18n
 
 GEM
diff --git a/gemfiles/rails52.gemfile.lock b/gemfiles/rails52.gemfile.lock
index beb30994..0eec7c3a 100644
--- a/gemfiles/rails52.gemfile.lock
+++ b/gemfiles/rails52.gemfile.lock
@@ -7,7 +7,7 @@ GIT
 PATH
   remote: ..
   specs:
-    vanity (3.0.2)
+    vanity (3.1.0)
       i18n
 
 GEM
diff --git a/gemfiles/rails60.gemfile.lock b/gemfiles/rails60.gemfile.lock
index bb68a930..78b4fa2a 100644
--- a/gemfiles/rails60.gemfile.lock
+++ b/gemfiles/rails60.gemfile.lock
@@ -7,7 +7,7 @@ GIT
 PATH
   remote: ..
   specs:
-    vanity (3.0.2)
+    vanity (3.1.0)
       i18n
 
 GEM
diff --git a/gemfiles/rails61.gemfile.lock b/gemfiles/rails61.gemfile.lock
index bb68a930..78b4fa2a 100644
--- a/gemfiles/rails61.gemfile.lock
+++ b/gemfiles/rails61.gemfile.lock
@@ -7,7 +7,7 @@ GIT
 PATH
   remote: ..
   specs:
-    vanity (3.0.2)
+    vanity (3.1.0)
       i18n
 
 GEM
diff --git a/lib/vanity/version.rb b/lib/vanity/version.rb
index a58f467a..c5be2640 100644
--- a/lib/vanity/version.rb
+++ b/lib/vanity/version.rb
@@ -1,5 +1,5 @@
 module Vanity
-  VERSION = "3.0.2"
+  VERSION = "3.1.0"
 
   module Version
     version = VERSION.to_s.split(".").map { |i| i.to_i }