diff --git a/flow.cabal b/flow.cabal
--- a/flow.cabal
+++ b/flow.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           flow
-version:        1.0.5
+version:        1.0.6
 synopsis:       Write more understandable Haskell.
 description:    Flow provides operators for writing more understandable Haskell.
 category:       Combinators, Functions, Utility
@@ -41,7 +41,7 @@
   ghc-options: -Wall
   build-depends:
       base
-    , doctest >=0.9 && <0.11
+    , doctest >=0.9 && <0.12
     , flow
     , QuickCheck ==2.*
     , template-haskell ==2.*
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -22,9 +22,9 @@
   flow-test-suite:
     dependencies:
     - base
-    - doctest >=0.9 && <0.11
+    - doctest >=0.9 && <0.12
     - flow
     - QuickCheck ==2.*
     - template-haskell ==2.*
     main: FlowTest.hs
-version: '1.0.5'
+version: '1.0.6'