diff --git a/internal/esr/init.go b/internal/esr/init.go
index 66911d4..bee8124 100644
--- a/internal/esr/init.go
+++ b/internal/esr/init.go
@@ -125,4 +125,14 @@ func InitProject() {
 }`), 0644); err != nil {
 		Die("failed to write tsconfig.json: %v", err)
 	}
+
+	prettierRcPath := filepath.Join(cwd, ".prettierrc")
+	if err := os.WriteFile(prettierRcPath, []byte(`{
+  "printWidth": 80,
+  "semi": true,
+  "singleQuote": false,
+  "tabWidth": 2
+}`), 0644); err != nil {
+		Die("failed to write .prettierrc: %v", err)
+	}
 }