diff --git a/project/build.properties b/project/build.properties
index cc68b53..30b7fd9 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.10.11
+sbt.version=1.12.0
diff --git a/src/main/scala/gs/Gs.scala b/src/main/scala/gs/Gs.scala
index 32e4fff..ce77ae0 100644
--- a/src/main/scala/gs/Gs.scala
+++ b/src/main/scala/gs/Gs.scala
@@ -14,8 +14,8 @@ object Gs {
     "-explain", // Explain errors in more detail.
     "-unchecked", // Enable additional warnings where generated code depends on assumptions.
     "-explain-types",   // Explain type errors in more detail.
-    "-Xfatal-warnings", // Fail the compilation if there are any warnings.
     "-language:strictEquality", // Enable multiversal equality (require CanEqual)
+    "-Werror", // Fail the compilation if there are any warnings.
     "-Wunused:implicits", // Warn if an implicit parameter is unused.
     "-Wunused:explicits", // Warn if an explicit parameter is unused.
     "-Wunused:imports",   // Warn if an import selector is not referenced.