diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 2c37274ef..d6c90c4bb 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.9.17
+current_version = 0.9.18
 commit = True
 tag = True
 
diff --git a/README.md b/README.md
index 1951b4910..cfe2fc336 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# GDSTK 0.9.17
+# GDSTK 0.9.18
 
 [![Boost Software License - Version 1.0](https://img.shields.io/github/license/heitzmann/gdstk.svg)](https://www.boost.org/LICENSE_1_0.txt)
 [![Tests Runner](https://github.com/heitzmann/gdstk/workflows/Tests%20Runner/badge.svg)](https://github.com/heitzmann/gdstk/actions)
diff --git a/src/gdstk.h b/src/gdstk.h
index 1edb5984f..8689ef47a 100644
--- a/src/gdstk.h
+++ b/src/gdstk.h
@@ -11,7 +11,7 @@ LICENSE file or <http://www.boost.org/LICENSE_1_0.txt>
 #define __STDC_FORMAT_MACROS
 #define _USE_MATH_DEFINES
 
-#define GDSTK_VERSION "0.9.17"
+#define GDSTK_VERSION "0.9.18"
 
 // If GDSTK_CUSTOM_ALLOCATOR is defined, the user must supply implementations
 // for the following dynamic memory management functions: