diff --git a/lib/build.gradle.kts b/lib/build.gradle.kts
index 208f181..91767ff 100644
--- a/lib/build.gradle.kts
+++ b/lib/build.gradle.kts
@@ -33,7 +33,7 @@ dependencies {
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
 
     // This dependency is used internally, and not exposed to consumers on their own compile classpath.
-    implementation("com.google.guava:guava:30.1.1-jre")
+    implementation("com.google.guava:guava:32.1.2-jre")
 
     // This dependency is exported to consumers, that is to say found on their compile classpath.
     api("org.apache.commons:commons-math3:3.6.1")