diff --git a/core/build.gradle b/core/build.gradle
index c3ea5328..897839cc 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -24,7 +24,7 @@ dependencies {
   api "com.google.guava:guava:20.0"
   api "com.android.support:support-annotations:28.0.0"
   api "commons-io:commons-io:2.5"
-  api "org.apache.commons:commons-lang3:3.6"
+  api "org.apache.commons:commons-lang3:3.9"
   api "org.apache.commons:commons-collections4:4.1"
   api "org.apache.commons:commons-math3:3.6.1"
   api "org.apache.commons:commons-text:1.8"