diff --git a/sigstore-java/build.gradle.kts b/sigstore-java/build.gradle.kts
index 0f7bf6a6..678780ba 100644
--- a/sigstore-java/build.gradle.kts
+++ b/sigstore-java/build.gradle.kts
@@ -28,7 +28,7 @@ dependencies {
     implementation("com.google.protobuf:protobuf-java-util")
 
     // grpc deps
-    implementation(platform("io.grpc:grpc-bom:1.64.0"))
+    implementation(platform("io.grpc:grpc-bom:1.65.1"))
     implementation("io.grpc:grpc-protobuf")
     implementation("io.grpc:grpc-stub")
     runtimeOnly("io.grpc:grpc-netty-shaded")
@@ -67,7 +67,7 @@ protobuf {
     }
     plugins {
         id("grpc") {
-            artifact = "io.grpc:protoc-gen-grpc-java:1.64.0"
+            artifact = "io.grpc:protoc-gen-grpc-java:1.65.1"
         }
     }
     generateProtoTasks {