diff --git a/Shakefile.hs b/Shakefile.hs
--- a/Shakefile.hs
+++ b/Shakefile.hs
@@ -27,7 +27,7 @@
 
   -- | Stack rules.
   --
-  stackRules "preamble" pats
+  stackRules pats
 
   -- | sanity
   --
diff --git a/preamble.cabal b/preamble.cabal
--- a/preamble.cabal
+++ b/preamble.cabal
@@ -1,5 +1,5 @@
 name:                  preamble
-version:               0.0.17
+version:               0.0.18
 synopsis:              Yet another prelude.
 description:           A prelude built on basic-prelude.
 homepage:              https://github.com/swift-nav/preamble
@@ -49,7 +49,7 @@
 executable shake-preamble
   main-is:             Shakefile.hs
   ghc-options:         -threaded -rtsopts -with-rtsopts=-N -Wall
-  build-depends:       base >= 4.8 && < 4.9
+  build-depends:       base == 4.8.*
                      , shakers
   default-language:    Haskell2010