diff --git a/numhask-histogram.cabal b/numhask-histogram.cabal
--- a/numhask-histogram.cabal
+++ b/numhask-histogram.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: e416241eeecbb528d2f717550fdf552a4d35f89ec2da92aece68a38c5949da3d
+-- hash: 06f538b0715c38391805b7491f4212890c30f2d6111828cac2bb0d2db59602f5
 
 name:           numhask-histogram
-version:        0.1.2.1
+version:        0.1.3.0
 synopsis:       See readme.md
 description:    See readme.md for description.
 category:       project
@@ -34,8 +34,8 @@
       base >=4.7 && <5
     , containers
     , foldl
-    , numhask-prelude >=0.0.5.1
-    , numhask-range >=0.2.2.0
+    , numhask-prelude >=0.1.0.1
+    , numhask-range >=0.2.3.0
     , tdigest
   exposed-modules:
       NumHask.Histogram
@@ -53,8 +53,7 @@
   build-depends:
       base >=4.7 && <5
     , doctest
-    , protolude
-    , tasty
+    , numhask-prelude >=0.0.5.1
   other-modules:
       Paths_numhask_histogram
   default-language: Haskell2010
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -6,7 +6,8 @@
 
 extra-deps:
   - tdigest-0.2
-  - numhask-prelude-0.0.5.1
-  - numhask-0.2.2.0
+  - numhask-prelude-0.1.0.1
+  - numhask-0.2.3.0
+  - numhask-test-0.1.0.0
 
 allow-newer: true
diff --git a/test/test.hs b/test/test.hs
--- a/test/test.hs
+++ b/test/test.hs
@@ -3,17 +3,8 @@
 
 module Main where
 
-import Protolude
-import Test.Tasty (TestTree, testGroup, defaultMain)
+import NumHask.Prelude
 import Test.DocTest
 
 main :: IO ()
-main = do
-    doctest ["src/NumHask/Histogram.hs"]
-    defaultMain tests
-
-tests :: TestTree
-tests =
-    testGroup ""
-    [
-    ]
+main = doctest ["src/NumHask/Histogram.hs"]