diff --git a/build.gradle b/build.gradle
index e9e9483..d341325 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,8 +14,8 @@ repositories {
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.12'
 
-    implementation 'com.squareup.okhttp3:okhttp:3.14.1'
-    implementation 'com.squareup.retrofit2:retrofit:2.5.0'
-    implementation 'com.google.code.gson:gson:2.8.5'
-    implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.0'
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
 }