diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.py b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.py
index dbb3fcde..f1ba300d 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.py
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library.py
@@ -157,7 +157,7 @@ def __init__(self):
         print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.59, Components with models"
+    self.description = "v0.4.0, Components with models"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.py b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.py
index 3d539c7b..617c56c1 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.py
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_ANT.py
@@ -49,7 +49,7 @@ def __init__(self):
         print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.59, ANT components"
+    self.description = "v0.4.0, ANT components"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.py b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.py
index 40e51231..6e392e1b 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.py
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.py
@@ -170,7 +170,7 @@ def __init__(self):
         print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.59, Beta components"
+    self.description = "v0.4.0, Beta components"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.py b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.py
index 45a45a9c..76dc643f 100644
--- a/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.py
+++ b/klayout/EBeam/pymacros/SiEPIC_EBeam_Library_SiN.py
@@ -70,7 +70,7 @@ def __init__(self):
         print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.59, Silicon Nitride"
+    self.description = "v0.4.0, Silicon Nitride"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout/EBeam/pymacros/opics_ebeam/__init__.py b/klayout/EBeam/pymacros/opics_ebeam/__init__.py
index b1b238d7..ba327902 100644
--- a/klayout/EBeam/pymacros/opics_ebeam/__init__.py
+++ b/klayout/EBeam/pymacros/opics_ebeam/__init__.py
@@ -765,7 +765,7 @@ def load_sparameters(
 
 components_list = list(component_factory.keys())
 __all__ = components_list
-__version__ = "0.3.59"
+__version__ = "0.4.0"
 
 if __name__ == "__main__":
     import SiEPIC.opics as op