diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
 0.1.0.0
 -------
 * initial release
+
+0.1.0.4
+-------
+* removed the upper bounds of the dependencies
diff --git a/hcdt.cabal b/hcdt.cabal
--- a/hcdt.cabal
+++ b/hcdt.cabal
@@ -1,55 +1,58 @@
-cabal-version:       2.2
-name:                hcdt
-version:             0.1.0.3
-synopsis:            2d Delaunay triangulation
-description:         
+cabal-version:      2.2
+name:               hcdt
+version:            0.1.0.4
+license:            BSD-3-Clause
+license-file:       LICENSE
+copyright:          2022 Stéphane Laurent
+maintainer:         laurent_step@outlook.fr
+author:             Stéphane Laurent
+homepage:           https://github.com/githubuser/hcdt#readme
+synopsis:           2d Delaunay triangulation
+description:
     This library performs the constrained or unconstrained 2d Delaunay triangulation.
     .
     It uses the C++ library 'CDT'.
     .
     For examples, look the README file.
-homepage:            https://github.com/githubuser/hcdt#readme
-license:             BSD-3-Clause
-license-file:        LICENSE
-author:              Stéphane Laurent
-maintainer:          laurent_step@outlook.fr
-copyright:           2022 Stéphane Laurent
-category:            Geometry
-build-type:          Simple
-extra-source-files:  README.md
-                     CHANGELOG.md
-                     LICENSE_CDT.txt
 
-library
-  hs-source-dirs:      src
-  exposed-modules:     Geometry.HCDT
-  other-modules:       Geometry.HCDT.Types
-                     , Geometry.HCDT.Triangulation
-                     , Geometry.HCDT.Delaunay
-                     , Geometry.HCDT.Utils
-  build-depends:       base >= 4.7 && < 5
-                     , containers >= 0.6.4.1 && < 0.7
-                     , indexed-traversable >= 0.1.2 && < 0.2
-  include-dirs:        cpp
-  install-includes:    cpp/CDT.h
-                     , cpp/CDT.hpp
-                     , cpp/CDTUtils.h
-                     , cpp/CDTUtils.hpp
-                     , cpp/hcdt.hpp
-                     , cpp/KDTree.h
-                     , cpp/LocatorKDTree.h
-                     , cpp/predicates.h
-                     , cpp/remove_at.hpp
-                     , cpp/Triangulation.h
-                     , cpp/Triangulation.hpp
-  C-sources:           cpp/hcdt.cpp
-  extra-libraries:     stdc++
-  ghc-options:         -Wall -optcxx-std=c++11
-  other-extensions:    CPP
-                     , ForeignFunctionInterface
-  cxx-options:         -fPIC -std=c++11
-  default-language:    Haskell2010
+category:           Geometry
+build-type:         Simple
+extra-source-files:
+    README.md
+    CHANGELOG.md
+    LICENSE_CDT.txt
 
 source-repository head
-  type:     git
-  location: https://github.com/githubuser/hcdt
+    type:     git
+    location: https://github.com/githubuser/hcdt
+
+library
+    exposed-modules:  Geometry.HCDT
+    cxx-options:      -fPIC -std=c++11
+    c-sources:        cpp/hcdt.cpp
+    hs-source-dirs:   src
+    other-modules:
+        Geometry.HCDT.Types
+        Geometry.HCDT.Triangulation
+        Geometry.HCDT.Delaunay
+        Geometry.HCDT.Utils
+
+    default-language: Haskell2010
+    other-extensions: CPP ForeignFunctionInterface
+    extra-libraries:  stdc++
+    include-dirs:     cpp
+    includes:
+        cpp/CDT.h cpp/CDT.hpp cpp/CDTUtils.h cpp/CDTUtils.hpp cpp/hcdt.hpp
+        cpp/KDTree.h cpp/LocatorKDTree.h cpp/predicates.h cpp/remove_at.hpp
+        cpp/Triangulation.h cpp/Triangulation.hpp
+
+    install-includes:
+        cpp/CDT.h cpp/CDT.hpp cpp/CDTUtils.h cpp/CDTUtils.hpp cpp/hcdt.hpp
+        cpp/KDTree.h cpp/LocatorKDTree.h cpp/predicates.h cpp/remove_at.hpp
+        cpp/Triangulation.h cpp/Triangulation.hpp
+
+    ghc-options:      -Wall -optcxx-std=c++11
+    build-depends:
+        base >=4.7 && <5,
+        containers >=0.6.4.1,
+        indexed-traversable >=0.1.2