diff --git a/src/fime/__init__.py b/src/fime/__init__.py
index b12282c..f9cb0e1 100644
--- a/src/fime/__init__.py
+++ b/src/fime/__init__.py
@@ -1,5 +1,5 @@
 try:
     from fime._version import __version__, __version_tuple__
 except ImportError:
-    __version__ = version = '1.0.0.dev0'
-    __version_tuple__ = version_tuple = (1, 0, 0, 'dev0')
+    __version__ = version = '0+devfallback'
+    __version_tuple__ = version_tuple = (0, 'devfallback')