diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad479d2d1c53456c91eae20299d62a1033b38d62..dd439d19a7ffa0ae51647a5a743531dfda6e2a1f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# v1.0.3
+
+* _TBA_
+
 # v1.0.2
 
 * got rid of some C compiler warnings
diff --git a/snakehouse/__init__.py b/snakehouse/__init__.py
index 6e120cb416e9286b22cedba8b2f42e4464e810c3..2c9530ce823cd04f6e856196824900979a9e9f95 100644
--- a/snakehouse/__init__.py
+++ b/snakehouse/__init__.py
@@ -1,4 +1,4 @@
 from .build import build
 from .multibuild import Multibuild
 
-__version__ = '1.0.2'
+__version__ = '1.0.3a1'