diff --git a/build-constraints.yaml b/build-constraints.yaml
index 36454d22..e2586dab 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4207,6 +4207,40 @@ expected-benchmark-failures:
 
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
+    # dist/doc/html/brick/../brick-0.37.1/Brick-AttrMap.html: openFile: does not exist
+    # and the like, as seen on July 4, 2018
+    - avwx
+    - brick
+    - cheapskate
+    - credential-store
+    - derulo
+    - editor-open
+    - fswatch
+    - gdp
+    - haskell-gi
+    - haskintex
+    - highlighting-kate
+    - hw-rankselect
+    - hw-xml
+    - netwire-input-glfw
+    - nvim-hs
+    - o-clock
+    - pager
+    - prettyprinter
+    - proto-lens-protoc
+    - qnap-decrypt
+    - quickbench
+    - rasterific-svg
+    - require
+    - sdl2
+    - sdl2-gfx
+    - sdl2-image
+    - tomland
+    - vty
+    - websockets
+    - xls
+    - zip-archive
+    - zip-stream
 
     # Requires build before haddock, which doesn't always happen in incremental
     # builds. Could consider special-casing this requirement.