diff --git a/build.gradle b/build.gradle
index 378199803bfcfe2365b0739beb78fa29a4a96a79..01fcd2bd5d732f7799c463021bad7883a366397c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -34,7 +34,7 @@ protobuf {
     }
     plugins {
         grpc {
-            artifact = 'io.grpc:protoc-gen-grpc-java:1.72.0'
+            artifact = 'io.grpc:protoc-gen-grpc-java:1.73.0'
         }
     }
     generateProtoTasks {
@@ -132,9 +132,9 @@ dependencies {
 
     // GRPC communication with Janitor
     implementation('com.google.protobuf:protobuf-java:4.31.0')
-    implementation('io.grpc:grpc-netty-shaded:1.72.0')
-    implementation('io.grpc:grpc-protobuf:1.72.0')
-    implementation('io.grpc:grpc-stub:1.72.0')
+    implementation('io.grpc:grpc-netty-shaded:1.73.0')
+    implementation('io.grpc:grpc-protobuf:1.73.0')
+    implementation('io.grpc:grpc-stub:1.73.0')
 
     // CSV processing
     implementation('com.opencsv:opencsv:5.11')