diff --git a/.clang-format b/.clang-format
index c9c00d1..723bc52 100644
--- a/.clang-format
+++ b/.clang-format
@@ -8,3 +8,4 @@ FixNamespaceComments: true
 SpacesBeforeTrailingComments: 2
 ColumnLimit: 80
 QualifierAlignment: Right
+InsertNewlineAtEOF: true
diff --git a/tests/main.test.cpp b/tests/main.test.cpp
index f2f38dd..f4e5667 100644
--- a/tests/main.test.cpp
+++ b/tests/main.test.cpp
@@ -19,4 +19,4 @@ extern void iot_test();
 int main()
 {
   hal::iot::iot_test();
-}
\ No newline at end of file
+}