diff --git a/pyproject.toml b/pyproject.toml
index 136c885..cf139a5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ name = "nexus-rpc"
 # 2025 and version numbering started from 1.1.0. Despite the version number, this is an
 # experimental release and backwards-incompatible changes are anticipated until a GA
 # release is announced.
-version = "1.2.0"
+version = "1.3.0"
 description = "Nexus Python SDK"
 readme = "README.md"
 authors = [{ name = "Temporal Technologies", email = "sdk@temporal.io" }]
diff --git a/uv.lock b/uv.lock
index 2c566eb..08553f3 100644
--- a/uv.lock
+++ b/uv.lock
@@ -417,7 +417,7 @@ wheels = [
 
 [[package]]
 name = "nexus-rpc"
-version = "1.2.0"
+version = "1.3.0"
 source = { editable = "." }
 dependencies = [
     { name = "typing-extensions" },