diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CHANGELOG
 
+## v0.1.0.1
+
+* Add upper bounds to library dependencies
+
+
 ## v0.1.0.0
 
 * Initial release
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -30,8 +30,8 @@
 ## Usage
 
 To use this package to keep the legacy of Terry Pratchett alive, simply pass
-your wai application to @clacks gnuTerryPratchett@ before passing it to the
-@run@ function:
+your wai application to `clacks gnuTerryPratchett` before passing it to the
+`run` function:
 
 ```haskell
 import Network.Wai.Handler.Warp (run)
diff --git a/wai-middleware-clacks.cabal b/wai-middleware-clacks.cabal
--- a/wai-middleware-clacks.cabal
+++ b/wai-middleware-clacks.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 895632c4795b860ff962c56d9e843f228030b41aadc1d8f3806e7fefbccc5229
+-- hash: 95ad49ebdca25f36306d023f0b722dcec4a740271c280eb58224f347a140cd0e
 
 name:           wai-middleware-clacks
-version:        0.1.0.0
+version:        0.1.0.1
 synopsis:       GNU Terry Pratchett - Add the X-Clacks-Overhead Header to Wai Responses.
 description:    /"You know they'll never really die while the Trunk is alive."/
                 .
@@ -67,11 +67,11 @@
   build-depends:
       base >=4.3 && <5
     , base-compat-batteries
-    , bytestring
-    , case-insensitive
-    , http-types
-    , text
-    , wai
+    , bytestring <1
+    , case-insensitive <2
+    , http-types <1
+    , text <2
+    , wai <4
   if impl(ghc >= 8.0)
     ghc-options: -Wcompat -Wincomplete-record-updates -Wincomplete-uni-patterns -Wredundant-constraints
   else