diff --git a/agent/agent-tooling/build.gradle.kts b/agent/agent-tooling/build.gradle.kts
index 0e4dd8438fd..082e05aaef5 100644
--- a/agent/agent-tooling/build.gradle.kts
+++ b/agent/agent-tooling/build.gradle.kts
@@ -63,7 +63,7 @@ dependencies {
   testImplementation("io.opentelemetry:opentelemetry-sdk-testing")
 
   // TODO(trask): update tests, no need to use this anymore
-  testImplementation("com.squareup.okio:okio:3.11.0")
+  testImplementation("com.squareup.okio:okio:3.15.0")
 
   compileOnly(project(":agent:agent-bootstrap"))
   compileOnly("io.opentelemetry.instrumentation:opentelemetry-instrumentation-api")