diff --git a/setup.py b/setup.py
index b60ed23..ed2bb05 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 NOW = datetime.now().strftime("%m%d%Y%H%M%S")
 
-VERSION = "1.1.0"
+VERSION = f"1.1.1-dev{NOW}"
 
 GITHUB_USERNAME = "rfverbruggen"
 GITHUB_REPOSITORY = "rachiopy"