diff --git a/numhask-histogram.cabal b/numhask-histogram.cabal
--- a/numhask-histogram.cabal
+++ b/numhask-histogram.cabal
@@ -1,11 +1,11 @@
--- This file has been generated from package.yaml by hpack version 0.20.0.
+-- This file has been generated from package.yaml by hpack version 0.28.2.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: abbf27401efd119a118dea0bf855f7a25bf9611040ed1237f96ee5ea139a49fc
+-- hash: e416241eeecbb528d2f717550fdf552a4d35f89ec2da92aece68a38c5949da3d
 
 name:           numhask-histogram
-version:        0.1.2.0
+version:        0.1.2.1
 synopsis:       See readme.md
 description:    See readme.md for description.
 category:       project
@@ -18,7 +18,6 @@
 license-file:   LICENSE
 build-type:     Simple
 cabal-version:  >= 1.10
-
 extra-source-files:
     stack.yaml
 
@@ -35,7 +34,7 @@
       base >=4.7 && <5
     , containers
     , foldl
-    , numhask-prelude >=0.0.4.0
+    , numhask-prelude >=0.0.5.1
     , numhask-range >=0.2.2.0
     , tdigest
   exposed-modules:
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: nightly-2018-05-08
+resolver: nightly-2018-05-28
 
 packages:
   - .
@@ -6,7 +6,7 @@
 
 extra-deps:
   - tdigest-0.2
-  - numhask-prelude-0.0.4.0
-  - numhask-0.2.1.0
+  - numhask-prelude-0.0.5.1
+  - numhask-0.2.2.0
 
 allow-newer: true