diff --git a/stack.yaml b/stack.yaml
index 0a7ec43c8..28ab11036 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -7,8 +7,11 @@ flags:
     network-uri: true
 packages:
 - '.'
+- location:
+    git: https://github.com/jgm/pandoc-types.git
+    commit: 7a8482efc2f8627fe83a2ad2a306961483b25011
 extra-deps:
 - doctemplates-0.1.0.2
 - texmath-0.8.6.6
-- pandoc-types-1.17.0.1
+#- pandoc-types-1.17.0.1
 resolver: lts-7.2