diff --git a/libLinphoneAndroidSdk.gradle b/libLinphoneAndroidSdk.gradle
index bab391983..042ba6bb8 100644
--- a/libLinphoneAndroidSdk.gradle
+++ b/libLinphoneAndroidSdk.gradle
@@ -8,7 +8,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.1'
+        classpath 'com.android.tools.build:gradle:3.1.0'
     }
 }
 
diff --git a/linphoneAndroidSdk.gradle b/linphoneAndroidSdk.gradle
index 2c3f7413f..96c5a5196 100644
--- a/linphoneAndroidSdk.gradle
+++ b/linphoneAndroidSdk.gradle
@@ -14,9 +14,9 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.1'
+        classpath 'com.android.tools.build:gradle:3.1.0'
         if (googleFile.exists()) {
-            classpath 'com.google.gms:google-services:3.3.1'
+            classpath 'com.google.gms:google-services:3.1.0'
         }
     }
 }