diff --git a/pom.xml b/pom.xml
index 65db9fea..1215b887 100644
--- a/pom.xml
+++ b/pom.xml
@@ -112,6 +112,10 @@
                     <groupId>com.vaadin.external.google</groupId>
                     <artifactId>android-json</artifactId>
                 </exclusion>
+                <exclusion>
+                    <artifactId>asm</artifactId>
+                    <groupId>org.ow2.asm</groupId>
+                </exclusion>
             </exclusions>
             <scope>test</scope>
         </dependency>
@@ -236,6 +240,12 @@
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
             <version>4.5.1</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>httpcore</artifactId>
+                    <groupId>org.apache.httpcomponents</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpcore -->
         <dependency>
@@ -248,6 +258,12 @@
             <groupId>com.github.qcloudsms</groupId>
             <artifactId>qcloudsms</artifactId>
             <version>1.0.5</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>httpclient</artifactId>
+                    <groupId>org.apache.httpcomponents</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>