diff --git a/snappy-c.cabal b/snappy-c.cabal
index a5741d7..47cb154 100644
--- a/snappy-c.cabal
+++ b/snappy-c.cabal
@@ -81,7 +81,7 @@ library
   build-depends:
     , bytestring   >= 0.10  && < 0.13
     , data-default >= 0.7   && < 0.9
-    , digest       >= 0.0.2 && < 0.0.3
+    , crc32c       >= 0.2.2 && < 0.3
     , mtl          >= 2.2.2 && < 2.4
   extra-libraries:
     , snappy
@@ -99,7 +99,7 @@ executable snappy-cli
     , bytestring           >= 0.10  && < 0.13
     , conduit              >= 1.3.5 && < 1.4
     , data-default         >= 0.7   && < 0.9
-    , optparse-applicative >= 0.18  && < 0.19
+    , optparse-applicative >= 0.18  && < 0.20
   ghc-options:
       -threaded
       -rtsopts