diff --git a/pom.xml b/pom.xml
index 1455e8a..b1fbadd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,6 +24,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <jenkins.version>2.375.2</jenkins.version>
+    <apache-httpcomponents-client-4-api.version>4.5.14-150.v7a_b_9d17134a_5</apache-httpcomponents-client-4-api.version>
   </properties>
 
   <developers>
@@ -88,5 +89,10 @@
       <version>4.13.2</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.jenkins-ci.plugins</groupId>
+      <artifactId>apache-httpcomponents-client-4-api</artifactId>
+      <version>${apache-httpcomponents-client-4-api.version}</version>
+    </dependency>
   </dependencies>
 </project>
diff --git a/src/main/java/com/orctom/jenkins/plugin/globalpostscript/GlobalPostScript.java b/src/main/java/com/orctom/jenkins/plugin/globalpostscript/GlobalPostScript.java
index 30b8baf..39572e5 100644
--- a/src/main/java/com/orctom/jenkins/plugin/globalpostscript/GlobalPostScript.java
+++ b/src/main/java/com/orctom/jenkins/plugin/globalpostscript/GlobalPostScript.java
@@ -12,9 +12,12 @@
 import jenkins.model.Jenkins;
 import net.sf.json.JSONObject;
 import org.apache.commons.codec.net.URLCodec;
-import org.apache.commons.httpclient.HttpClient;
-import org.apache.commons.httpclient.HttpMethod;
-import org.apache.commons.httpclient.methods.GetMethod;
+
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+
 import org.apache.commons.lang.StringUtils;
 import org.kohsuke.stapler.QueryParameter;
 import org.kohsuke.stapler.StaplerRequest;
@@ -173,11 +176,11 @@ public void triggerRemoteJob(String jobTriggerUrl) {
         println("[WARNING] ignoring URL exception for " + jobTriggerUrl);
       }
 
-      HttpClient client = new HttpClient();
-      HttpMethod method = new GetMethod(url);
+      CloseableHttpClient client = HttpClients.createDefault();
+      HttpGet method = new HttpGet(url);
       try {
-        client.executeMethod(method);
-        int statusCode = method.getStatusCode();
+        CloseableHttpResponse response = client.execute(method);
+        int statusCode = response.getStatusLine().getStatusCode();
         if (statusCode < 400) {
           println("Triggering " + jobUrl);
         } else {
@@ -187,7 +190,11 @@ public void triggerRemoteJob(String jobTriggerUrl) {
         e.printStackTrace();
         println("[ERROR] Failed to trigger: " + jobUrl + " | " + e.getMessage());
       } finally {
-        method.releaseConnection();
+        try {
+          client.close();
+        } catch (IOException e) {
+          println("[ERROR] Failed to close connection: " + jobUrl + " | " + e.getMessage());
+        }
       }
     }