diff --git a/shapes-app/app/build.gradle b/shapes-app/app/build.gradle
index 9ea12f6..1944e30 100644
--- a/shapes-app/app/build.gradle
+++ b/shapes-app/app/build.gradle
@@ -67,5 +67,5 @@ dependencies {
     implementation 'javax.annotation:javax.annotation-api:1.2'
 
     // *** UNCOMMENT THE LINE BELOW FOR APPROOV ***
-    // implementation("io.approov:service.grpc:3.3.0")
+    // implementation("io.approov:service.grpc:3.5.3")
 }