diff --git a/build-constraints.yaml b/build-constraints.yaml
index db79506a..358f2669 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9263,6 +9263,9 @@ skipped-benchmarks:
     - pandoc
     - git-annex
 
+    # runaway build?
+    - type-of-html
+
     # Maintainers who don't want to update benchmarks
     # Only re-enable if requested.
     ## @hvr https://github.com/fpco/stackage/issues/2538#issuecomment-304458844