diff --git a/build.gradle b/build.gradle
index 8811f3d7..8426ce34 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ apply plugin: 'com.jfrog.bintray'
 apply plugin: 'com.github.dcendents.android-maven'
 
 def libName = 'KotlinInside'
-def libVersion = '1.2.2'
+def libVersion = '1.2.3'
 def libDesc = 'Unofficial DCInside API written in Kotlin'
 
 group = 'be.zvz'
@@ -30,10 +30,8 @@ repositories {
     jcenter()
 }
 
-ext {
-    sourceCompatibility = JavaVersion.VERSION_1_7
-    targetCompatibility = JavaVersion.VERSION_1_7
-}
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
 
 dependencies {
     implementation group: 'commons-codec', name: 'commons-codec', version: '1.13'
diff --git a/src/main/java/be/zvz/kotlininside/http/HttpRequest.java b/src/main/java/be/zvz/kotlininside/http/HttpRequest.java
index 1bea5fef..39e0143e 100644
--- a/src/main/java/be/zvz/kotlininside/http/HttpRequest.java
+++ b/src/main/java/be/zvz/kotlininside/http/HttpRequest.java
@@ -1421,14 +1421,14 @@ public static void nonProxyHosts(final String... hosts) {
     private static String setProperty(final String name, final String value) {
         final PrivilegedAction<String> action;
         if (value != null)
-            action = new PrivilegedAction<>() {
+            action = new PrivilegedAction<String>() {
 
                 public String run() {
                     return System.setProperty(name, value);
                 }
             };
         else
-            action = new PrivilegedAction<>() {
+            action = new PrivilegedAction<String>() {
 
                 public String run() {
                     return System.clearProperty(name);
@@ -3263,4 +3263,4 @@ public HttpRequest followRedirects(final boolean followRedirects) {
         getConnection().setInstanceFollowRedirects(followRedirects);
         return this;
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/be/zvz/kotlininside/value/ApiUrl.java b/src/main/java/be/zvz/kotlininside/value/ApiUrl.java
index f5def04f..5d08931f 100644
--- a/src/main/java/be/zvz/kotlininside/value/ApiUrl.java
+++ b/src/main/java/be/zvz/kotlininside/value/ApiUrl.java
@@ -9,7 +9,7 @@ public final class ApiUrl {
     public static final class Article {
         public static final String LIST = APP_API + "gall_list_new.php";
         public static final String READ = APP_API + "gall_view_new.php";
-        public static final String WRITE = "http://upload.dcinside.com/_app_write_api.php";
+        public static final String WRITE = "https://upload.dcinside.com/_app_write_api.php";
         public static final String DELETE = APP_API + "gall_del.php";
 
         public static final String UPVOTE = APP_API + "_recommend_up.php";