diff --git a/CITATION.cff b/CITATION.cff
index b245159..535644d 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -8,6 +8,6 @@ authors:
 - family-names: "Michael"
   given-names: "Richard"
 title: "poli: a libary of discrete sequence objectives"
-version: 1.1.0
+version: 1.1.1
 date-released: 2024-01-23
 url: "https://github.com/MachineLearningLifeScience/poli"
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index f6bafe7..69319de 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "poli-core"
-version = "1.1.0"
+version = "1.1.1"
 description = "poli, a library of discrete objective functions"
 readme = "README.md"
 authors = [{name="Miguel González-Duque", email="miguelgondu@gmail.com"}, {name="Simon Bartels", email="bartels@di.ku.dk"}]
@@ -88,7 +88,7 @@ profile = "black"
 exclude = ["src/poli/core/util/proteins/rasp/inner_rasp", "src/poli/objective_repository/gfp_cbas"]
 
 [tool.bumpversion]
-current_version = "1.1.0"
+current_version = "1.1.1"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.
diff --git a/setup.cfg b/setup.cfg
index fb3f263..a90541e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = poli-core
-version = "1.1.0"
+version = "1.1.1"
 author = Miguel González-Duque
 author_email = miguel.gonzalez-duque@bio.ku.dk
 description = A library of discrete objective functions
diff --git a/src/poli/__init__.py b/src/poli/__init__.py
index b5d3b86..5583729 100644
--- a/src/poli/__init__.py
+++ b/src/poli/__init__.py
@@ -1,6 +1,6 @@
 """poli, a library for discrete black-box objective functions."""
 
-__version__ = "1.1.0"
+__version__ = "1.1.1"
 from .core.util.isolation.instancing import instance_function_as_isolated_process
 
 # from .core import get_problems