diff --git a/.prettierignore b/.prettierignore
index ce98533..323e10d 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -3,3 +3,4 @@ dist
 *.md
 *.js
 *.json
+*.d.ts
\ No newline at end of file
diff --git a/actions-languageservice/.prettierignore b/actions-languageservice/.prettierignore
index 6bcb9ea..ce98533 100644
--- a/actions-languageservice/.prettierignore
+++ b/actions-languageservice/.prettierignore
@@ -3,4 +3,3 @@ dist
 *.md
 *.js
 *.json
-*.d.ts