diff --git a/klayout_dot_config/grain.xml b/klayout_dot_config/grain.xml
index 1234e885..4a66545d 100644
--- a/klayout_dot_config/grain.xml
+++ b/klayout_dot_config/grain.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <salt-grain>
  <name>siepic_tools</name>
- <version>0.3.67</version>
+ <version>0.3.68</version>
  <api-version>0.25</api-version>
  <title>SiEPIC Tools</title>
  <doc>A library providing a range of tools for designing Silicon Electronic-Photonic Integrated Circuits</doc>