diff --git a/build.gradle b/build.gradle
index 0d1b20793..97831fb00 100644
--- a/build.gradle
+++ b/build.gradle
@@ -583,8 +583,8 @@ dependencies {
     compile files('lib/randomcutforest-core-2.0.1.jar')
 
     // used for serializing/deserializing rcf models.
-    compile group: 'io.protostuff', name: 'protostuff-core', version: '1.7.4'
-    compile group: 'io.protostuff', name: 'protostuff-runtime', version: '1.7.4'
+    compile group: 'io.protostuff', name: 'protostuff-core', version: '1.8.0'
+    compile group: 'io.protostuff', name: 'protostuff-runtime', version: '1.8.0'
     compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.12.0'
 
     compile "org.jacoco:org.jacoco.agent:0.8.5"