diff --git a/package.json b/package.json
index 97d909f31..08ff689a2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "issie",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "description": "Schematic editor and Simulator",
   "homepage": "https://github.com/tomcl/issie",
   "bugs": {
diff --git a/src/Renderer/Interface/Version.fs b/src/Renderer/Interface/Version.fs
index e40ffa09e..2c6dfebe3 100644
--- a/src/Renderer/Interface/Version.fs
+++ b/src/Renderer/Interface/Version.fs
@@ -1,5 +1,5 @@
 module Version
-let VERSION = [ "5" ; "2";  "0" ]
+let VERSION = [ "5" ; "2";  "1" ]
 
 // The first 12  white-space separated words in this file must be in the above format - note that spaces are required.
 // This works as valid F# data for displaying the code version and can also be read programmatically from the master branch github file