diff --git a/pyproject.toml b/pyproject.toml
index 7a83009bd7f..7acaaac6a5c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -142,7 +142,7 @@ module = "weave_query.*"
 ignore_errors = true
 
 [tool.bumpversion]
-current_version = "0.51.12-dev0.a"
+current_version = "0.51.12-dev0-b"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.
diff --git a/weave/version.py b/weave/version.py
index 65732f46103..c281e3ddb92 100644
--- a/weave/version.py
+++ b/weave/version.py
@@ -44,4 +44,4 @@
 
 """
 
-VERSION = "0.51.12-dev0.a"
+VERSION = "0.51.12-dev0-b"