diff --git a/ats-pkg.cabal b/ats-pkg.cabal
--- a/ats-pkg.cabal
+++ b/ats-pkg.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.0
 name: ats-pkg
-version: 3.0.0.4
+version: 3.0.0.10
 license: BSD3
 license-file: LICENSE
 copyright: Copyright: (c) 2018 Vanessa McHale
diff --git a/dhall/atspkg-prelude.dhall b/dhall/atspkg-prelude.dhall
--- a/dhall/atspkg-prelude.dhall
+++ b/dhall/atspkg-prelude.dhall
@@ -306,6 +306,7 @@
 , plainDeps = plainDeps
 , lowerDeps = lowerDeps
 , upperDeps = upperDeps
+, eqDeps = eqDeps
 , mapPlainDeps = mapPlainDeps
 , src = src
 , mapSrc = mapSrc
diff --git a/internal/Quaalude.cpphs b/internal/Quaalude.cpphs
--- a/internal/Quaalude.cpphs
+++ b/internal/Quaalude.cpphs
@@ -172,9 +172,8 @@
 makeExecutable = flip setFileMode ownerModes
 #endif
 
-nubSpecial :: (Ord a) => [[a]] -> [[a]]
-nubSpecial = pure . rmDups . join
-    where rmDups = fmap head . group . sort
+nubSpecial :: (Eq a) => [[a]] -> [[a]]
+nubSpecial = fmap pure . nub . join
 
 makeExe :: String
 makeExe = case os of
diff --git a/man/atspkg.1 b/man/atspkg.1
--- a/man/atspkg.1
+++ b/man/atspkg.1
@@ -1,4 +1,4 @@
-.\" Automatically generated by Pandoc 2.2.1
+.\" Automatically generated by Pandoc 2.2.2
 .\"
 .TH "atspkg (1)" "" "" "" ""
 .hy
diff --git a/src/Language/ATS/Package/PackageSet.hs b/src/Language/ATS/Package/PackageSet.hs
--- a/src/Language/ATS/Package/PackageSet.hs
+++ b/src/Language/ATS/Package/PackageSet.hs
@@ -71,7 +71,7 @@
             -> ATSPackageSet
             -> [(String, ATSConstraint)]
             -> DepM [[ATSDependency]]
-mkBuildPlan getDeps aps@(ATSPackageSet ps) names = finalize . fmap (nubSpecial) . resolve . fmap (selfDepend . asDep getDeps) <=< stringBuildPlan $ names
+mkBuildPlan getDeps aps@(ATSPackageSet ps) names = finalize . fmap nubSpecial . resolve . fmap (selfDepend . asDep getDeps) <=< stringBuildPlan $ names
     where finalize = fmap (fmap (fmap (lookupVersions aps)))
           resolve = resolveDependencies (atsPkgsToPkgs libDeps aps)
           selfDepend (Dependency ln ds v) = case lookup ln names of