diff --git a/template-js/.gitignore b/template-js/.gitignore
index 7af7f04..c353cb5 100644
--- a/template-js/.gitignore
+++ b/template-js/.gitignore
@@ -1,2 +1,3 @@
 /node_modules
-.env
\ No newline at end of file
+.env
+.sern/
diff --git a/template-ts/.gitignore b/template-ts/.gitignore
index c7fb7a4..75257df 100644
--- a/template-ts/.gitignore
+++ b/template-ts/.gitignore
@@ -1,3 +1,4 @@
 /node_modules
 /dist
-.env
\ No newline at end of file
+.env
+.sern/