diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e73593..12cf0b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 2.3.1 - 2023-08-14
+
+1. Update option doc string to show personal API Key as an option
+
 # 2.3.0 - 2023-02-15
 
 1. Add support for feature flag payloads
diff --git a/lib/posthog/version.rb b/lib/posthog/version.rb
index a046102..55c99a6 100644
--- a/lib/posthog/version.rb
+++ b/lib/posthog/version.rb
@@ -1,3 +1,3 @@
 class PostHog
-  VERSION = '2.3.0'
+  VERSION = '2.3.1'
 end