diff --git a/pyproject.toml b/pyproject.toml
index 334e8e32..b82bd912 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [{ name = "Temporal Technologies Inc", email = "sdk@temporal.io" }]
 requires-python = "~=3.9"
 readme = "README.md"
 license = "MIT"
-dependencies = ["temporalio>=1.12.0,<2"]
+dependencies = ["temporalio>=1.13.0,<2"]
 
 [project.urls]
 Homepage = "https://github.com/temporalio/samples-python"
@@ -150,4 +150,3 @@ ignore_errors = true
 [[tool.mypy.overrides]]
 module = "opentelemetry.*"
 ignore_errors = true
-
diff --git a/uv.lock b/uv.lock
index 1bbef212..21e6c17e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2531,7 +2531,7 @@ trio-async = [
 ]
 
 [package.metadata]
-requires-dist = [{ name = "temporalio", specifier = ">=1.12.0,<2" }]
+requires-dist = [{ name = "temporalio", specifier = ">=1.13.0,<2" }]
 
 [package.metadata.requires-dev]
 bedrock = [{ name = "boto3", specifier = ">=1.34.92,<2" }]