diff --git a/modules/component-driver.nix b/modules/component-driver.nix
index 0018a3fe87..3e2bd77bd7 100644
--- a/modules/component-driver.nix
+++ b/modules/component-driver.nix
@@ -69,8 +69,8 @@ in
       # "ghci" "haskeline"
       "hpc"
       "mtl" "parsec" "process" "text" "time" "transformers"
-      "unix" "xhtml" "terminfo"
-      # "stm"
+      "unix" "xhtml" "terminfo"  "exceptions"
+      "stm"
     ];
 
   options.bootPkgs = lib.mkOption {