diff --git a/lambdacube-compiler.cabal b/lambdacube-compiler.cabal
--- a/lambdacube-compiler.cabal
+++ b/lambdacube-compiler.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                lambdacube-compiler
-version:             0.4.0.0
+version:             0.4.0.1
 homepage:            http://lambdacube3d.com
 synopsis:            LambdaCube 3D is a DSL to program GPUs
 description:         LambdaCube 3D is a domain specific language and library that makes it
@@ -120,7 +120,7 @@
   -- CAUTION: When the build-depends change, please bump the git submodule in lambdacube-docker repository
   build-depends:
     aeson >= 0.9 && <1,
-    async >= 2.0 && <2.1,
+    async >= 2.0 && <2.2,
     base < 4.9,
     containers >=0.5 && <0.6,
     deepseq,
@@ -181,7 +181,7 @@
   -- CAUTION: When the build-depends change, please bump the git submodule in lambdacube-docker repository
   build-depends:
     aeson >= 0.9 && <1,
-    async >= 2.0 && <2.1,
+    async >= 2.0 && <2.2,
     base < 4.9,
     containers >=0.5 && <0.6,
     deepseq,