diff --git a/pom.xml b/pom.xml
index 9908efc..34bda6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,6 +33,7 @@
         <docker.registry.name>docker.loafle.net/overflow</docker.registry.name>
         <googleauth.version>1.1.2</googleauth.version>
         <fasterxml.uuid.verion>3.1.5</fasterxml.uuid.verion>
+        <httpclient.version>4.5.3</httpclient.version>
     </properties>
 
     <dependencies>
@@ -137,6 +138,13 @@
             <version>${javax.mail-api.version}</version>
         </dependency>
 
+        <!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${httpclient.version}</version>
+        </dependency>
+
         <dependency>
             <groupId>org.apache.velocity</groupId>
             <artifactId>velocity</artifactId>