diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.lym b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.lym
index 7cba0123..17761794 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.lym
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.lym
@@ -158,7 +158,7 @@ class SiEPIC_EBeam_Library(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.50, Components with models"
+    self.description = "v0.3.51, Components with models"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.lym b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.lym
index d285aa85..05eead04 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.lym
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.lym
@@ -61,7 +61,7 @@ class SiEPIC_EBeam_Library_ANT(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.50, ANT components"
+    self.description = "v0.3.51, ANT components"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym
index 44477c2e..b22f24cb 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym
@@ -179,7 +179,7 @@ class SiEPIC_EBeam_Library_Beta(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.50, Beta components"
+    self.description = "v0.3.51, Beta components"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.lym b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.lym
index 6ae5e843..b124fef2 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.lym
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.lym
@@ -72,7 +72,7 @@ class siepic_ebeam_library_hubbard(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.50, Silicon Nitride"
+    self.description = "v0.3.51, Silicon Nitride"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/grain.xml b/klayout/grain.xml
index f34c6077..b07bd353 100644
--- a/klayout/grain.xml
+++ b/klayout/grain.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <salt-grain>
  <name>siepic_ebeam_pdk</name>
- <version>0.3.50</version>
+ <version>0.3.51</version>
  <api-version>0.27</api-version>
  <title>SiEPIC EBeam PDK</title>
  <doc>A Process Design Kit for Silicon Photonics fabricated using Electron Beam Lithography (UW, ANT, SiEPICfab)</doc>