diff --git a/build.gradle b/build.gradle
index 2bfcddab..4ce26f43 100644
--- a/build.gradle
+++ b/build.gradle
@@ -182,7 +182,7 @@ project(":core") {
         compile group: 'org.apache.commons', name: 'commons-collections4', version: '4.1'
         compile group: 'org.apache.commons', name: 'commons-math3', version: '3.6.1'
         compile group: 'com.jcraft', name: 'jzlib', version: '1.1.3'
-        compile group: 'com.google.flatbuffers', name: 'flatbuffers-java', version: '1.10.0'
+        compile group: 'com.google.flatbuffers', name: 'flatbuffers-java', version: '1.9.0'
     }
 
     dependencies {