diff --git a/pyproject.toml b/pyproject.toml
index 4716b2b..a0e5196 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "dopt-pollublock-blockchain"
-version = "0.1.1dev0"
+version = "0.1.1"
 description = "blockchain module of the research project >POLLU-BLOCK<"
 authors = [
     {name = "d-opt GmbH, resp. Florian Foerster", email = "f.foerster@d-opt.com"},
@@ -72,7 +72,7 @@ directory = "reports/coverage"
 
 
 [tool.bumpversion]
-current_version = "0.1.1dev0"
+current_version = "0.1.1"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.