diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 48341cf6f7..79dd9c6c1d 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.12.1.dev41
+current_version = 2.12.1.dev42
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<dev>\d+))?
diff --git a/version b/version
index 5f4edd278a..b448ca913b 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-2.12.1.dev41
+2.12.1.dev42