diff --git a/sdks/java/harness/build.gradle b/sdks/java/harness/build.gradle
index 50eed2f2573b..937e870a22f4 100644
--- a/sdks/java/harness/build.gradle
+++ b/sdks/java/harness/build.gradle
@@ -30,6 +30,7 @@ dependencies {
   provided project(path: ":model:pipeline", configuration: "shadow")
   provided project(path: ":sdks:java:core", configuration: "shadow")
   provided project(path: ":sdks:java:transform-service:launcher", configuration: "shadow")
+  provided library.java.avro
   provided library.java.joda_time
   provided library.java.slf4j_api
   provided library.java.vendored_grpc_1_54_0
@@ -93,4 +94,5 @@ dependencies {
   shadowTestRuntimeClasspath project(path: ":sdks:java:core", configuration: "shadowTest")
   testImplementation project(path: ":sdks:java:fn-execution", configuration: "testRuntimeMigration")
   shadowTestRuntimeClasspath library.java.slf4j_jdk14
+  permitUnusedDeclared library.java.avro
 }