diff --git a/paytrailpayment-sdk/pom.xml b/paytrailpayment-sdk/pom.xml
index 943cd67..6d98c1b 100644
--- a/paytrailpayment-sdk/pom.xml
+++ b/paytrailpayment-sdk/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents.client5</groupId>
             <artifactId>httpclient5</artifactId>
-            <version>5.3.1</version>
+            <version>5.6.3</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>