diff --git a/jinjafx.py b/jinjafx.py
index 3101dfc..62c4393 100755
--- a/jinjafx.py
+++ b/jinjafx.py
@@ -31,7 +31,7 @@
 from cryptography.hazmat.primitives.ciphers.modes import CTR
 from cryptography.exceptions import InvalidSignature
 
-__version__ = '1.18.1'
+__version__ = '1.18.1-dev'
 
 __all__ = ['JinjaFx', 'Vault']