diff --git a/babel.nim b/babel.nim
index 83fc108..8125e49 100644
--- a/babel.nim
+++ b/babel.nim
@@ -231,6 +231,10 @@ proc installFromDir(dir: string, latest: bool): string =
 
   echo(pkgInfo.name & " installed successfully.")
 
+  ## remove old unversioned directory 
+  if not latest:
+    removeDir libsDir / pkgInfo.name
+
 proc getTagsList(dir: string): seq[string] =
   let output = execProcess("cd \"" & dir & "\" && git tag")
   if output.len > 0: