diff --git a/posix-api.cabal b/posix-api.cabal
index 9386453..7fc5f6a 100644
--- a/posix-api.cabal
+++ b/posix-api.cabal
@@ -90,7 +90,7 @@ library
   c-sources: cbits/HaskellPosix.c
   include-dirs: include
   includes: HaskellPosix.h
-  build-tools: hsc2hs
+  build-tool-depends: hsc2hs:hsc2hs >= 0.68.5
 
 test-suite test
   type: exitcode-stdio-1.0