diff --git a/pom.xml b/pom.xml
index a1398d01a95..ff76f5df602 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1129,7 +1129,7 @@
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-core</artifactId>
-        <version>1.33.1</version>
+        <version>1.66.0</version>
       </dependency>
       <dependency>
         <groupId>org.apache.ant</groupId>