diff --git a/filetypes.xml b/filetypes.xml
index 2322d59..9fd26f3 100644
--- a/filetypes.xml
+++ b/filetypes.xml
@@ -2,6 +2,7 @@
   <component name="FileTypeManager" version="18">
     <extensionMap>
       <mapping ext="csv" type="PLAIN_TEXT" />
+      <mapping pattern="pubspec.lock" type="YAML" />
       <removed_mapping ext="apk" approved="true" type="ARCHIVE" />
       <removed_mapping ext="ignore" approved="true" type="IgnoreLang file" />
       <removed_mapping ext="psd" approved="true" type="Image" />