diff --git a/Lambdajudge.cabal b/Lambdajudge.cabal
--- a/Lambdajudge.cabal
+++ b/Lambdajudge.cabal
@@ -1,5 +1,5 @@
 name: Lambdajudge
-version: 1.0.0.0
+version: 1.0.0.1
 cabal-version: >=1.10
 build-type: Simple
 license: MIT
@@ -19,11 +19,11 @@
 library
     build-depends:
         base >=4.6 && < 5,
-        text >=1.2.0.3,
+        text >=1.2.0.3 && < 1.2.0.4,
         mtl -any,
-        hspec >= 1.11,
+        hspec >= 1.11 && < 1.12,
         filepath >= 1.4.0.0,
-        process >= 1.2.3.0
+        process >= 1.2.3.0 && < 1.3.0.0
     default-language: Haskell2010
     hs-source-dirs: src