diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index 5a88a8347..7a8a86330 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -75,7 +75,7 @@ configurations {
 }
 
 dependencies {
-    implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'com.google.code.gson:gson:2.8.9'
     implementation 'com.thaiopensource:trang:20091111'
     implementation 'net.sourceforge.saxon:saxon:9.1.0.8'
     implementation 'org.yaml:snakeyaml:1.30'