bukkit-helper/build.gradle

@@ -14,5 +14,5 @@ dependencies {
   implementation project(':dynmap-api')
   implementation project(path: ':DynmapCore', configuration: 'shadow')
   compileOnly group: 'org.bukkit', name: 'bukkit', version:'1.10.2-R0.1-SNAPSHOT'
-  compileOnly group: 'com.google.code.gson', name: 'gson', version:'2.14.0'
+  compileOnly group: 'com.google.code.gson', name: 'gson', version:'2.8.9'
 }

spigot/build.gradle

@@ -33,7 +33,7 @@ dependencies {
     compileOnly('org.anjocaido:EssentialsGroupManager:2.10.1')  { transitive = false }
     implementation group: 'org.bstats', name: 'bstats-bukkit', version: '3.0.2'
     compileOnly('com.googlecode.json-simple:json-simple:1.1.1') { transitive = false }
-    compileOnly('com.google.code.gson:gson:2.14.0') { transitive = false }
+    compileOnly('com.google.code.gson:gson:2.8.9') { transitive = false }
     implementation(project(':bukkit-helper')) {
         transitive = false
     }