diff --git a/pyproject.toml b/pyproject.toml
index 59f1eb2..6975395 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ classifiers = [
 dependencies = [
   "crossplane-function-sdk-python==0.3.0",
   "click==8.1.7",
-  "grpcio==1.65.5",
+  "grpcio==1.66.0",
 ]
 
 dynamic = ["version"]