diff --git a/codex.cabal b/codex.cabal
--- a/codex.cabal
+++ b/codex.cabal
@@ -1,5 +1,5 @@
 name:                codex
-version:             0.2.1.0
+version:             0.2.1.2
 synopsis:            A ctags file generator for cabal project dependencies.
 description:         
   This tool download and cache the source code of packages in your local hackage,
@@ -37,9 +37,9 @@
     , download-curl       >= 0.1.4      && < 0.2
     , either              >= 4.3.0.1    && < 4.4
     , filepath            >= 1.3.0.1    && < 1.4
-    , hackage-db          >= 1.8        && < 1.9
-    , machines            >= 0.2        && < 0.3
-    , machines-directory  >= 0.0.0.2    && < 0.1
+    , hackage-db          >= 1.8        && < 1.11
+    , machines            >= 0.2        && < 0.5
+    , machines-directory  >= 0.0.0.2    && < 0.3
     , MissingH            >= 1.2.1.0    && < 1.4
     , process             >= 1.1.0.2    && < 1.3
     , tar                 >= 0.4.0.1    && < 0.5
@@ -68,8 +68,8 @@
     , MissingH
     , monad-loops         >= 0.4.2      && < 0.5
     , yaml                >= 0.8.8.3    && < 0.9
-    , codex               == 0.2.1.0
-    -- Have to fix it otherwise `Backjump limit reached`
-    , transformers        == 0.3.0.0
-    -- Have to bound it otherwise fail compile with version 0.4
-    , mono-traversable    >= 0.6        && < 0.7
+    , codex               == 0.2.1.2
+
+source-repository head
+  type:     git
+  location: https://github.com/aloiscochard/codex.git