diff --git a/build.gradle b/build.gradle
index 2b7c170..c8f948c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,7 +28,7 @@ ext {
     lib_log4j2_core = 'org.apache.logging.log4j:log4j-core:2.11.1'
     lib_log4j2_slf4j_impl = 'org.apache.logging.log4j:log4j-slf4j-impl:2.11.1'
     
-    lib_primitive_collections='org.lucares:primitiveCollections:0.1.20180908084945'
+    lib_primitive_collections='org.lucares:primitiveCollections:0.1.20181120195412'
     
     lib_spring_boot_log4j2='org.springframework.boot:spring-boot-starter-log4j2:2.1.0.RELEASE'
     lib_spring_boot_mustache='org.springframework.boot:spring-boot-starter-mustache:2.1.0.RELEASE'