diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index 1bf8b94e..d4a701f6 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,5 +1,8 @@
 # Unreleased
 
+# 5.3.8
+* Avoid inaccurate websocket queue time capturing (#494)
+
 # 5.3.7
 * Fix parser dependency issue
 
diff --git a/lib/scout_apm/version.rb b/lib/scout_apm/version.rb
index 3f242b52..2e19f055 100644
--- a/lib/scout_apm/version.rb
+++ b/lib/scout_apm/version.rb
@@ -1,3 +1,3 @@
 module ScoutApm
-  VERSION = "5.3.7"
+  VERSION = "5.3.8"
 end