diff --git a/Shakefile.hs b/Shakefile.hs
--- a/Shakefile.hs
+++ b/Shakefile.hs
@@ -37,7 +37,7 @@
   -- | sanity
   --
   fake "." pats "sanity" $ const $
-    need [ "build-error", "lint" ]
+    need [ "build-error", "lint", "weed" ]
 
   -- | Default things to run.
   --
diff --git a/preamble.cabal b/preamble.cabal
--- a/preamble.cabal
+++ b/preamble.cabal
@@ -1,5 +1,5 @@
 name: preamble
-version: 0.0.51
+version: 0.0.52
 cabal-version: >=1.22
 build-type: Simple
 license: MIT
@@ -39,8 +39,7 @@
         text-manipulate >=0.2.0.1,
         time >=1.5.0.1,
         transformers-base >=0.4.4,
-        unordered-containers >=0.2.8.0,
-        uuid >=1.3.13
+        unordered-containers >=0.2.8.0
     default-language: Haskell2010
     hs-source-dirs: src
     other-modules:
@@ -61,7 +60,7 @@
     main-is: Shakefile.hs
     build-depends:
         base >=4.8 && <5,
-        shakers >=0.0.35
+        shakers >=0.0.36
     default-language: Haskell2010
     ghc-options: -threaded -rtsopts -with-rtsopts=-N -Wall