diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 8fb9eb191..19e30525c 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.8.5
+current_version = 1.0.0-alpha.1
 commit = True
 tag = True
 
diff --git a/ocean_lib/__init__.py b/ocean_lib/__init__.py
index ab930abe9..40a17a218 100644
--- a/ocean_lib/__init__.py
+++ b/ocean_lib/__init__.py
@@ -7,5 +7,5 @@
 
 __author__ = """OceanProtocol"""
 # fmt: off
-__version__ = '0.8.5'
+__version__ = '1.0.0-alpha.1'
 # fmt: on
diff --git a/setup.py b/setup.py
index 1b76f1e5a..fc6c76112 100644
--- a/setup.py
+++ b/setup.py
@@ -100,7 +100,7 @@
     url="https://github.com/oceanprotocol/ocean.py",
     # fmt: off
     # bumpversion.sh needs single-quotes
-    version='0.8.5',
+    version='1.0.0-alpha.1',
     # fmt: on
     zip_safe=False,
 )