diff --git a/promql_client_test/pom.xml b/promql_client_test/pom.xml
index f9d6a52..7f78264 100644
--- a/promql_client_test/pom.xml
+++ b/promql_client_test/pom.xml
@@ -23,7 +23,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.5.3</version>
+			<version>4.5.13</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>