diff --git a/build.gradle b/build.gradle
index 4ddd0ed..bdaa234 100644
--- a/build.gradle
+++ b/build.gradle
@@ -34,7 +34,7 @@ ext {
     lib_log4j2_core = "org.apache.logging.log4j:log4j-core:${version_log4j2}"
     lib_log4j2_slf4j_impl = "org.apache.logging.log4j:log4j-slf4j-impl:${version_log4j2}"
     
-    lib_primitive_collections='org.lucares:primitiveCollections:0.1.20190929110023'
+    lib_primitive_collections='org.lucares:primitiveCollections:0.1.20191226154550'
     
     lib_spring_boot_log4j2="org.springframework.boot:spring-boot-starter-log4j2:${version_spring}"
     lib_spring_boot_test="org.springframework.boot:spring-boot-starter-test:${version_spring}"