diff --git a/.gitignore b/.gitignore
index 55c75de..9a22da7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,13 @@
 
 /bin/
 /lib/
-#The directory for compiled/built Tcl modules
+#The directories for compiled/built Tcl modules and libraries
 /modules/
+/modules_tcl8/
+/modules_tcl9/
+/lib/
+/lib_tcl8/
+/lib_tcl9/
 
 #Temporary files e.g from tests
 /tmp/