Fixing an excellent find by @blishko

Thanks!

Author: msooseth

hevm.cabal

@@ -170,7 +170,6 @@ library
     async                             >= 2.2.4 && < 2.3,
     operational                       >= 0.2.3 && < 0.3,
     optparse-generic                  >= 1.3.1 && < 1.6,
-    optparse-applicative              >= 0.18.0.0 && < 0.20.0.0,
     pretty-hex                        >= 1.1 && < 1.2,
     rosezipper                        >= 0.2 && < 0.3,
     wreq                              >= 0.5.3 && < 0.6,
@@ -187,7 +186,6 @@ library
     split                             >= 0.2.3 && < 0.3,
     template-haskell                  >= 2.19.0 && < 3,
     extra                             >= 1.7.14 && < 2,
-    hspec                             >= 2.9.0 && < 2.13.0,
   hs-source-dirs:
     src
 
@@ -207,14 +205,14 @@ executable hevm
     base,
     bytestring,
     data-dword,
-    directory,
+    directory                         >= 1.3.6 && < 1.4,
     filepath,
     hevm,
     optparse-generic,
-    optparse-applicative,
+    optparse-applicative              >= 0.18.0.0 && < 0.20.0.0,
     text,
     optics-core,
-    githash,
+    githash                           >= 0.1.5 && < 0.2,
     witch,
     unliftio-core,
     split,