diff --git a/lib/IUtils.rakumod b/lib/IUtils.rakumod
index 007c255..3ec2b99 100644
--- a/lib/IUtils.rakumod
+++ b/lib/IUtils.rakumod
@@ -122,8 +122,12 @@ sub scan-ipkg(IO::Path:D $ipkg --> PackageInfo:D) {
            '"' $<value>=[<-["]>*] '"' /)<value>
             // "src";
 
+    my sub is-source(Str:D $file --> Bool) {
+       return $file.ends-with(".idr") || $file.ends-with(".md");
+    }
+
     my IO::Path:D @sources =
-        paths($ipkg.parent.add($src-dir), :file(*.ends-with(".idr"))).map(*.IO);
+        paths($ipkg.parent.add($src-dir), :file(&is-source)).map(*.IO);
     PackageInfo.new(ipkg => $ipkg, root => $ipkg.parent, sources => @sources)
 }