diff --git a/pyhanko/version.py b/pyhanko/version.py
index cff21ce2..006c58b0 100644
--- a/pyhanko/version.py
+++ b/pyhanko/version.py
@@ -1,2 +1,2 @@
-__version__ = '0.25.3'
-__version_info__ = (0, 25, 3)
+__version__ = '0.25.4.dev1'
+__version_info__ = (0, 25, 4, 'dev1')