diff --git a/shellify.cabal b/shellify.cabal
index 1e2a60a..ffcacce 100644
--- a/shellify.cabal
+++ b/shellify.cabal
@@ -52,12 +52,12 @@ library
     hs-source-dirs: src
     build-depends:
         containers >=0.6.5.1 && <0.8,
-        data-default >=0.8 && <0.9,
+        data-default >=0.7 && <0.9,
         directory >=1.3.6.2 && <1.4,
         extra >=1.7.13 && <1.9,
         HStringTemplate >=0.8.8 && <0.9,
         mtl >=2.2.2 && <2.4,
-        parsec >=3.1.17.0 && <3.2,
+        parsec >=3.1.15.0 && <3.2,
         shake >=0.19.7 && <0.20,
         unordered-containers >=0.2.19.1 && <0.3