diff --git a/duplo.cabal b/duplo.cabal
--- a/duplo.cabal
+++ b/duplo.cabal
@@ -1,5 +1,5 @@
 name:                  duplo
-version:               1.6.1
+version:               1.6.2
 synopsis:              Frontend development build tool
 description:           Intuitive, simple building blocks for building composable, completely self-managed web applications
 license:               MIT
@@ -47,6 +47,7 @@
                      , warp                 == 3.0.*
                      , ansi-terminal        == 0.5.*
                      , text-format          == 0.3.*
+                     , alex                 == 3.1.*
   hs-source-dirs     : src/
   default-language   : Haskell2010
   default-extensions : OverloadedStrings