diff --git a/stack.full.yaml b/stack.full.yaml
index 7e5a8fd36..7d01d279c 100644
--- a/stack.full.yaml
+++ b/stack.full.yaml
@@ -25,4 +25,5 @@ extra-deps:
 - data-default-instances-base-0.1.0.1
 - cmark-0.5.3.1
 - aeson-pretty-0.8.1
+- texmath-0.8.6.5
 resolver: nightly-2016-07-11