diff --git a/matrix-static.cabal b/matrix-static.cabal
--- a/matrix-static.cabal
+++ b/matrix-static.cabal
@@ -1,13 +1,13 @@
-cabal-version: >= 1.10
+cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.29.7.
+-- This file has been generated from package.yaml by hpack version 0.31.2.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 71d0aad7acb4b2fc1986bb9cd9d7f4a861b968f85193c2244ea95a1f321a1e34
+-- hash: 8683931cd52dfb6652bbc41d626105dfbfa75efa4e930a75fd01df7c6301f49e
 
 name:           matrix-static
-version:        0.2
+version:        0.2.1
 synopsis:       Type-safe matrix operations
 description:    Please see the README on GitHub at <https://github.com/wchresta/matrix-static#readme>
 category:       Math
@@ -21,8 +21,8 @@
 tested-with:    GHC == 8.6.1, GHC == 8.4.3, GHC == 8.2.2, GHC == 8.0.2, GHC == 8.0.1
 build-type:     Simple
 extra-source-files:
-    ChangeLog.md
     README.md
+    ChangeLog.md
 
 source-repository head
   type: git
@@ -39,7 +39,6 @@
   build-depends:
       base >=4.9 && <5
     , deepseq
-    , ghc-typelits-knownnat
     , ghc-typelits-natnormalise
     , matrix >=0.3.5 && <0.4
     , vector
@@ -56,7 +55,6 @@
   build-depends:
       base >=4.9 && <5
     , deepseq
-    , ghc-typelits-knownnat
     , ghc-typelits-natnormalise
     , matrix >=0.3.5 && <0.4
     , matrix-static
diff --git a/src/Data/Matrix/Static.hs b/src/Data/Matrix/Static.hs
--- a/src/Data/Matrix/Static.hs
+++ b/src/Data/Matrix/Static.hs
@@ -13,7 +13,6 @@
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE TypeOperators #-}
 {-# OPTIONS_GHC -fplugin GHC.TypeLits.Normalise #-}
-{-# OPTIONS_GHC -fplugin GHC.TypeLits.KnownNat.Solver #-}
 {-|
 Module      : Data.Matrix.Static
 Description : Wrapper around matrix that adds matrix sizes to the type-level
@@ -37,7 +36,9 @@
   , forceMatrix
     -- * Builders
   , matrix
+  , RowVector
   , rowVector
+  , ColumnVector
   , colVector
     -- ** Special matrices
   , zero
@@ -928,6 +929,8 @@
 
 -- | A row vector (a matrix with one row).
 type RowVector = Matrix 1
+
+-- | A column vector (a matrix with one column).
 type ColumnVector m = Matrix m 1