diff --git a/flake8_invalid_escape_sequences/__init__.py b/flake8_invalid_escape_sequences/__init__.py
index <HASH>..<HASH> 100644
--- a/flake8_invalid_escape_sequences/__init__.py
+++ b/flake8_invalid_escape_sequences/__init__.py
@@ -1,6 +1,6 @@
 """Define a flake8 plugin to check for invalid escape sequences."""
 
-__version__ = '0.1.4.dev1'
+__version__ = '1.0.0.dev1'
 
 
 from re import compile as re_compile, VERBOSE
Seems to be stable enough, __version__ = '<I>.dev1'