diff --git a/ddc-core-flow.cabal b/ddc-core-flow.cabal
--- a/ddc-core-flow.cabal
+++ b/ddc-core-flow.cabal
@@ -1,5 +1,5 @@
 Name:           ddc-core-flow
-Version:        0.4.1.1
+Version:        0.4.1.3
 License:        MIT
 License-file:   LICENSE
 Author:         The Disciplined Disciple Compiler Strike Force
@@ -34,8 +34,8 @@
         array           >= 0.4 && < 0.6,
         deepseq         == 1.3.*,
         containers      == 0.5.*,
-        transformers    == 0.3.*,
-        mtl             == 2.1.*,
+        transformers    == 0.4.*,
+        mtl             == 2.2.*,
         ddc-base        == 0.4.1.*,
         ddc-core        == 0.4.1.*,
         ddc-core-salt   == 0.4.1.*,