diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbf8205..c19cc12 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -177,4 +177,7 @@ All notable changes to the "hl7tools" extension will be documented in this file.
 * Any active field highlighting will be reapplied when the document text changes.
 
 ## 2.0 (16/11/2022)
-* converted to TypeScript. No changes to functionality.
\ No newline at end of file
+* converted to TypeScript. No changes to functionality.
+
+## 2.0.1 (18/01/2023)
+* Fixed issue with missing segment terminator in MSA segment when ACKs are returned
\ No newline at end of file
diff --git a/package.json b/package.json
index 47ef27d..0a9988e 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
 	"name": "hl7tools",
 	"displayName": "HL7Tools",
 	"description": "HL7 tools for Visual Studio Code",
-	"version": "2.0.0",
+	"version": "2.0.1",
 	"icon": "images/hl7tools-icon.png",
 	"publisher": "RobHolme",
 	"license": "MIT",