diff --git a/.bumpversion.toml b/.bumpversion.toml
index afc2046..9c25cfa 100644
--- a/.bumpversion.toml
+++ b/.bumpversion.toml
@@ -1,5 +1,5 @@
 [tool.bumpversion]
-current_version = "0.1.0"
+current_version = "0.1.1rc0"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.
diff --git a/pyproject.toml b/pyproject.toml
index 29fc0eb..79bd5ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "fmuloader"
-version = "0.1.0"
+version = "0.1.1rc0"
 description = "a lightweight fmu loader for python"
 readme = "README.md"
 authors = [
diff --git a/src/fmuloader/__init__.py b/src/fmuloader/__init__.py
index 3dc1f76..7a60dcd 100644
--- a/src/fmuloader/__init__.py
+++ b/src/fmuloader/__init__.py
@@ -1 +1 @@
-__version__ = "0.1.0"
+__version__ = "0.1.1rc0"
diff --git a/uv.lock b/uv.lock
index 598c551..bb62274 100644
--- a/uv.lock
+++ b/uv.lock
@@ -127,7 +127,7 @@ toml = [
 
 [[package]]
 name = "fmuloader"
-version = "0.1.0"
+version = "0.1.1rc0"
 source = { editable = "." }
 
 [package.dev-dependencies]