diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+0.10.0.1:
+
+  Bump to support polyparse and its GHC 8.6 compatibility.
+
 0.10.0.0:
 
   Updated packages to support building with ghc 8.6 (increase base
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
 flags: {}
 packages:
 - '.'
-resolver: lts-12.2
+resolver: nightly-2018-11-02
diff --git a/swish.cabal b/swish.cabal
--- a/swish.cabal
+++ b/swish.cabal
@@ -1,5 +1,5 @@
 Name:               swish
-Version:            0.10.0.0
+Version:            0.10.0.1
 Stability:          experimental
 License:            LGPL-2.1
 License-file:       LICENSE 
@@ -100,7 +100,7 @@
       mtl >= 2 && < 3,
       -- old-locale is only needed if time < 1.5           
       old-locale == 1.0.*, 
-      polyparse >= 1.6 && <= 1.12,
+      polyparse >= 1.6 && <= 1.13,
       text >= 0.11 && < 1.3,
       -- I don't think 1.9.0 will work and it was quickly replaced
       -- so do not support it