diff --git a/setup.cfg b/setup.cfg
index 42d7376..3084f20 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.1.0
+current_version = 1.1.1
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 30fb489..acdd85b 100644
--- a/setup.py
+++ b/setup.py
@@ -50,6 +50,6 @@
     test_suite="tests",
     tests_require=test_requirements,
     url="https://github.com/pik-primap/unfccc_di_api",
-    version="1.1.0",
+    version="1.1.1",
     zip_safe=False,
 )
diff --git a/unfccc_di_api/__init__.py b/unfccc_di_api/__init__.py
index 4ef9e02..ef126b3 100644
--- a/unfccc_di_api/__init__.py
+++ b/unfccc_di_api/__init__.py
@@ -10,7 +10,7 @@
 
 __author__ = """Mika Pflüger"""
 __email__ = "mika.pflueger@pik-potsdam.de"
-__version__ = "1.1.0"
+__version__ = "1.1.1"
 
 from .unfccc_di_api import UNFCCCApiReader, UNFCCCSingleCategoryApiReader