diff --git a/hq.cabal b/hq.cabal
--- a/hq.cabal
+++ b/hq.cabal
@@ -7,7 +7,7 @@
 -- hash: ccfecaab3d1004f03e5a9e851269c0209561044c1b9aa90d587dc93a936394f0
 
 name:           hq
-version:        0.1.0.7
+version:        0.1.0.8
 synopsis:       Quantitative Library
 category:       Finance
 description:    Please see the README on GitHub at <https://github.com/ghais/hq#readme>
@@ -160,7 +160,8 @@
         if arch(x86_64)
             cc-options: -fPIC
 
-  pkgconfig-depends: gsl  
+  --pkgconfig-depends: gsl
+  extra-libraries: gsl
 
 test-suite bachelier-test
   default-extensions: