diff --git a/klayout_dot_config/grain.xml b/klayout_dot_config/grain.xml
index 68441c78..5411e589 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_ebeam_pdk</name>
- <version>0.3.21</version>
+ <version>0.3.22</version>
  <api-version>0.25</api-version>
  <title>SiEPIC EBeam PDK</title>
  <doc>A Process Design Kit for Silicon Photonics fabricated using Electron Beam Lithography</doc>