diff --git a/multilinear.cabal b/multilinear.cabal
--- a/multilinear.cabal
+++ b/multilinear.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 8c8b8435434271d1b1843d492d988ebe7197f269825a8f98478d0b939b63b23f
+-- hash: f54a22b592b5fdefd8d5d390227e754f7ce3f84815f410d00a9912f4dc9a624a
 
 name:           multilinear
-version:        0.2.2
+version:        0.2.2.1
 synopsis:       Comprehensive and efficient (multi)linear algebra implementation.
 description:    Comprehensive and efficient (multi)linear algebra implementation, based on generic tensor formalism and concise Ricci-Curbastro index syntax. More information available on GitHub: <https://github.com/ArturB/multilinear#readme>
 category:       Machine learning
@@ -46,7 +46,7 @@
   hs-source-dirs:
       src
   default-extensions: DeriveGeneric FlexibleContexts FlexibleInstances MultiParamTypeClasses
-  ghc-options: -O2 -Wall -fllvm -optlo-O3
+  ghc-options: -O2 -Wall
   build-depends:
       base >=4.7 && <5
     , containers >=0.5
@@ -65,7 +65,7 @@
   hs-source-dirs:
       test
   default-extensions: DeriveGeneric FlexibleContexts FlexibleInstances MultiParamTypeClasses
-  ghc-options: -O2 -Wall -fllvm -optlo-O3 -threaded -rtsopts -with-rtsopts=-N
+  ghc-options: -O2 -Wall -threaded -rtsopts -with-rtsopts=-N
   build-depends:
       base >=4.7 && <5
     , criterion >=1.2
@@ -81,7 +81,7 @@
   hs-source-dirs:
       benchmark
   default-extensions: DeriveGeneric FlexibleContexts FlexibleInstances MultiParamTypeClasses
-  ghc-options: -O2 -Wall -fllvm -optlo-O3 -threaded -rtsopts -with-rtsopts=-N
+  ghc-options: -O2 -Wall -threaded -rtsopts -with-rtsopts=-N
   build-depends:
       base >=4.7 && <5
     , criterion >=1.2