diff --git a/pom.xml b/pom.xml
index 86b2547..bc7edc0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 		<log4j2.version>2.9.1</log4j2.version>
 		<logback.version>1.1.11</logback.version>
 		<lang.version>3.7</lang.version>
-		<collection.version>4.0</collection.version>
+		<collection.version>4.1</collection.version>
 		<fastjson.version>1.1.39</fastjson.version>
 	</properties>