diff --git a/model/build.gradle b/model/build.gradle
index eb22596..5921c83 100644
--- a/model/build.gradle
+++ b/model/build.gradle
@@ -1,5 +1,5 @@
 dependencies {
-    implementation 'org.threeten:threetenbp:1.4.4'
+    implementation 'org.threeten:threetenbp:1.6.8'
 }