diff --git a/build-constraints.yaml b/build-constraints.yaml
index bd000906..8b0c47d9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -364,7 +364,8 @@ packages:
         - diagrams-haddock
         - diagrams-contrib
         - diagrams-core
-        - diagrams-lib
+        # https://github.com/fpco/stackage/issues/743
+        - diagrams-lib < 1.3.0.3
         - diagrams-postscript
         - diagrams-svg
         - dual-tree