diff --git a/build-constraints.yaml b/build-constraints.yaml
index 42b8428a..ce998ff0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1263,7 +1263,7 @@ packages:
         - diagrams-core
         - diagrams-gtk
         - diagrams-html5
-        - diagrams-lib
+        - diagrams-lib < 1.6 # https://github.com/commercialhaskell/stackage/issues/8084
         - diagrams-postscript
         - diagrams-rasterific
         - diagrams-solve < 0.2 # https://github.com/commercialhaskell/stackage/issues/7998