3 files changed, 5 insertions, 3 deletions

diff --git a/packages/base/THANKS.md b/packages/base/THANKS.md
index f331dea..55a428c 100644
--- a/packages/base/THANKS.md
+++ b/packages/base/THANKS.md
@@ -205,3 +205,5 @@ module reorganization, monadic mapVectorM, and many other improvements.
 - Vassil Keremidchiev fixed the cabal options for OpenBlas, fixed several installation
   issues, and added support for stack-based build.
 
+- Patrik Jansson changed meanCov and gaussianSample to use Herm type. Fixed stack.yaml.
+
diff --git a/packages/base/hmatrix.cabal b/packages/base/hmatrix.cabal
index 0cfbd88..9fa3c4e 100644
--- a/packages/base/hmatrix.cabal
+++ b/packages/base/hmatrix.cabal
@@ -1,5 +1,5 @@
 Name:               hmatrix
-Version:            0.17.0.2
+Version:            0.18.0.0
 License:            BSD3
 License-file:       LICENSE
 Author:             Alberto Ruiz
diff --git a/packages/base/src/Internal/Random.hs b/packages/base/src/Internal/Random.hs
index 8c792eb..60b2cef 100644
--- a/packages/base/src/Internal/Random.hs
+++ b/packages/base/src/Internal/Random.hs
@@ -31,13 +31,13 @@ import System.Random(randomIO)
 gaussianSample :: Seed
                -> Int -- ^ number of rows
                -> Vector Double -- ^ mean vector
-               -> Matrix Double -- ^ covariance matrix
+               -> Herm Double   -- ^ covariance matrix
                -> Matrix Double -- ^ result
 gaussianSample seed n med cov = m where
     c = dim med
     meds = konst' 1 n `outer` med
     rs = reshape c $ randomVector seed Gaussian (c * n)
-    m = rs `mXm` cholSH cov `add` meds
+    m = rs `mXm` chol cov `add` meds
 
 -- | Obtains a matrix whose rows are pseudorandom samples from a multivariate
 -- uniform distribution.