diff --git a/pom.xml b/pom.xml
index 09e49270d..845378254 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@ THE SOFTWARE.
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>3.50</version>
+        <version>3.55</version>
     </parent>
 
     <artifactId>ec2</artifactId>
@@ -85,7 +85,7 @@ THE SOFTWARE.
         <jenkins.version>2.150.1</jenkins.version>
         <java.level>8</java.level>
         <jcasc.version>1.34</jcasc.version>
-        <aws-java-sdk.version>1.11.636</aws-java-sdk.version>
+        <aws-java-sdk.version>1.11.700</aws-java-sdk.version>
     </properties>
 
     <dependencies>
@@ -117,7 +117,7 @@ THE SOFTWARE.
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>apache-httpcomponents-client-4-api</artifactId>
-            <version>4.5.5-3.0</version>
+            <version>4.5.10-2.0</version>
         </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
@@ -244,6 +244,12 @@ THE SOFTWARE.
 
     <dependencyManagement>
         <dependencies>
+            <dependency>
+                <groupId>org.hamcrest</groupId>
+                <artifactId>hamcrest-core</artifactId>
+                <version>2.2</version>
+                <scope>test</scope>
+            </dependency>
             <dependency>
                 <groupId>com.amazonaws</groupId>
                 <artifactId>aws-java-sdk-bom</artifactId>