diff --git a/src/main/java/com/plivo/api/PlivoClient.java b/src/main/java/com/plivo/api/PlivoClient.java
index 785a7cf5..89082472 100644
--- a/src/main/java/com/plivo/api/PlivoClient.java
+++ b/src/main/java/com/plivo/api/PlivoClient.java
@@ -20,6 +20,8 @@
 import okhttp3.Credentials;
 import okhttp3.Interceptor;
 import okhttp3.OkHttpClient;
+import okhttp3.TlsVersion;
+import okhttp3.CipherSuite;
 import okhttp3.Protocol;
 import okhttp3.Response;
 import okhttp3.ResponseBody;
@@ -143,6 +145,11 @@ public PlivoClient(String authId, String authToken, OkHttpClient.Builder httpCli
 
     httpClient = httpClientBuilder
       .addNetworkInterceptor(interceptor)
+      .tlsVersions(TlsVersion.TLS_1_2)
+      .cipherSuites( 
+          CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+          CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+          CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256)
       .addInterceptor(chain -> chain.proceed(
         chain.request()
           .newBuilder()