diff --git a/claude-agent-sdk/pyproject.toml b/claude-agent-sdk/pyproject.toml
index a78a713..df87b7d 100644
--- a/claude-agent-sdk/pyproject.toml
+++ b/claude-agent-sdk/pyproject.toml
@@ -8,7 +8,7 @@ dependencies = [
     "slack-cli-hooks==0.3.0",
     "claude-agent-sdk==0.2.139",
     "aiohttp==3.14.3",
-    "python-dotenv==1.2.2",
+    "python-dotenv==1.2.3",
 ]
 
 [project.optional-dependencies]