diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,15 @@
 Changelog
 =========
 
+Version 0.1.2.5
+---------------
+
+*November 14, 2018*
+
+<https://github.com/mstksg/hmatrix-backprop/releases/tag/v0.1.2.5>
+
+*   Fix compatibility with GHC 8.6
+
 Version 0.1.2.4
 ---------------
 
diff --git a/hmatrix-backprop.cabal b/hmatrix-backprop.cabal
--- a/hmatrix-backprop.cabal
+++ b/hmatrix-backprop.cabal
@@ -1,11 +1,13 @@
--- This file has been generated from package.yaml by hpack version 0.28.2.
+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.31.0.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 1323bddb789e68457e8a798d45d7a7a8971a69221f96125b02c97517a4cd5444
+-- hash: d0f8da9fa8ff7bca8240eee0c23c2a5ffae1193ee73671c04e3f41000bf3fbe3
 
 name:           hmatrix-backprop
-version:        0.1.2.4
+version:        0.1.2.5
 synopsis:       hmatrix operations lifted for backprop
 description:    hmatrix operations lifted for backprop, along with orphan instances.
                 .
@@ -23,10 +25,9 @@
 license:        BSD3
 license-file:   LICENSE
 build-type:     Simple
-cabal-version:  >= 1.10
 extra-source-files:
-    CHANGELOG.md
     README.md
+    CHANGELOG.md
 
 source-repository head
   type: git
diff --git a/src/Numeric/LinearAlgebra/Static/Backprop.hs b/src/Numeric/LinearAlgebra/Static/Backprop.hs
--- a/src/Numeric/LinearAlgebra/Static/Backprop.hs
+++ b/src/Numeric/LinearAlgebra/Static/Backprop.hs
@@ -12,6 +12,11 @@
 {-# OPTIONS_GHC -fplugin GHC.TypeLits.KnownNat.Solver #-}
 {-# OPTIONS_GHC -fplugin GHC.TypeLits.Normalise       #-}
 
+#if MIN_VERSION_base(4,12,0)
+{-# LANGUAGE NoStarIsType #-}
+#endif
+
+
 -- |
 -- Module      : Numeric.LinearAlgebra.Static.Backprop
 -- Copyright   : (c) Justin Le 2018