diff --git a/pyproject.toml b/pyproject.toml
index bc6d38c..38a2dbe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "ehr-writeback"
-version = "0.1.0"
+version = "0.1.0a1"
 description = "Open-source EHR write-back integration framework — closes the loop from analytics to clinical workflow via FHIR"
 readme = "README.md"
 license = "Apache-2.0"
diff --git a/uv.lock b/uv.lock
index b5e037e..2ac5151 100644
--- a/uv.lock
+++ b/uv.lock
@@ -446,7 +446,7 @@ wheels = [
 
 [[package]]
 name = "ehr-writeback"
-version = "0.1.0"
+version = "0.1.0a1"
 source = { editable = "." }
 dependencies = [
     { name = "cryptography" },