diff --git a/build.gradle b/build.gradle
index 96f5111..d0dde0b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -132,3 +132,9 @@ android {
         }
     }
 }
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(8)
+    }
+}