diff --git a/pyproject.toml b/pyproject.toml
index 8390949..fc49e4f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 dependencies = [
   "crossplane-function-sdk-python==0.2.0",
   "click==8.1.7",
-  "grpcio==1.63.0",
+  "grpcio==1.64.1",
 ]
 
 dynamic = ["version"]