diff --git a/instrumentation/rxjava/rxjava-3.0/javaagent/build.gradle.kts b/instrumentation/rxjava/rxjava-3.0/javaagent/build.gradle.kts
index 256e6dcaa337..3f45b41d69e0 100644
--- a/instrumentation/rxjava/rxjava-3.0/javaagent/build.gradle.kts
+++ b/instrumentation/rxjava/rxjava-3.0/javaagent/build.gradle.kts
@@ -19,6 +19,8 @@ dependencies {
 
   testImplementation("io.opentelemetry:opentelemetry-extension-annotations")
   testImplementation(project(":instrumentation:rxjava:rxjava-3.0:testing"))
+
+  latestDepTestLibrary("io.reactivex.rxjava3:rxjava:3.1.0")
 }
 
 tasks.withType<Test>().configureEach {
diff --git a/instrumentation/rxjava/rxjava-3.0/library/build.gradle.kts b/instrumentation/rxjava/rxjava-3.0/library/build.gradle.kts
index f8a0bf39506c..e10bd0468e8b 100644
--- a/instrumentation/rxjava/rxjava-3.0/library/build.gradle.kts
+++ b/instrumentation/rxjava/rxjava-3.0/library/build.gradle.kts
@@ -7,6 +7,8 @@ dependencies {
   implementation(project(":instrumentation-api-annotation-support"))
 
   testImplementation(project(":instrumentation:rxjava:rxjava-3.0:testing"))
+
+  latestDepTestLibrary("io.reactivex.rxjava3:rxjava:3.1.0")
 }
 
 tasks.withType<Test>().configureEach {