diff --git a/consistent-sampling/build.gradle.kts b/consistent-sampling/build.gradle.kts
index eefba9c7f..a0b84c657 100644
--- a/consistent-sampling/build.gradle.kts
+++ b/consistent-sampling/build.gradle.kts
@@ -9,6 +9,6 @@ otelJava.moduleName.set("io.opentelemetry.contrib.sampler")
 dependencies {
   api("io.opentelemetry:opentelemetry-sdk-trace")
   api("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure-spi")
-  testImplementation("org.hipparchus:hipparchus-core:3.1")
+  testImplementation("org.hipparchus:hipparchus-core:4.0")
   testImplementation("org.hipparchus:hipparchus-stat:3.1")
 }