diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 32bc5cade..cda2444b0 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -34,6 +34,13 @@ endif::[]
 [[release-notes-4.x]]
 === Ruby Agent version 4.x
 
+[[release-notes-4.7.3]
+==== 4.7.3
+
+[float]
+===== Fixed
+- Address a bug where if `capture_headers` is false, `ContextBuilder` will raise `"undefined method 'has_key?' for nil:NilClass"` {pull}1449[#1449]
+
 [[release-notes-4.7.2]
 ==== 4.7.2
 
diff --git a/lib/elastic_apm/version.rb b/lib/elastic_apm/version.rb
index 8fc17baf0..f6464048c 100644
--- a/lib/elastic_apm/version.rb
+++ b/lib/elastic_apm/version.rb
@@ -18,5 +18,5 @@
 # frozen_string_literal: true
 
 module ElasticAPM
-  VERSION = '4.7.2'
+  VERSION = '4.7.3'
 end