diff --git a/android/olm-sdk/build.gradle b/android/olm-sdk/build.gradle
index 246c04a..7413cf7 100644
--- a/android/olm-sdk/build.gradle
+++ b/android/olm-sdk/build.gradle
@@ -109,6 +109,11 @@ android {
             }
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
 }
 
 def getNdkFolder() {