diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2f7b681..6ef5c6c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -15,8 +15,8 @@
 copyright = "2023, ECMWF"
 author = "ECMWF"
 
-release = "2.14"
-version = "2.14"
+release = "2.15"
+version = "2.15"
 
 # -- General configuration
 
diff --git a/setup.py b/setup.py
index 89b323e..8106739 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ def read(fname):
     return io.open(file_path, encoding="utf-8").read()
 
 
-version = "2.14"
+version = "2.15"
 
 setuptools.setup(
     name="hda",