diff --git a/dinosaur/__init__.py b/dinosaur/__init__.py
index fac62c7..2074725 100644
--- a/dinosaur/__init__.py
+++ b/dinosaur/__init__.py
@@ -35,4 +35,4 @@
 import dinosaur.weatherbench_utils
 import dinosaur.xarray_utils
 
-__version__ = "1.0.0"
+__version__ = "1.1.0"  # keep sync with pyproject.toml
diff --git a/pyproject.toml b/pyproject.toml
index 510fab3..63b75a2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ package-data = {"dinosaur.data" = ["*"]}
 
 [project]
 name = "dinosaur-dycore"
-version = "1.0.0"
+version = "1.1.0"  # keep sync with __init__.py
 authors = [
     {name = "Google LLC", email = "noreply@google.com"},
 ]