diff --git a/build-constraints.yaml b/build-constraints.yaml
index 050a97ab..3b384af1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1440,7 +1440,7 @@ packages:
 
     "Jinjing Wang <nfjinjing@gmail.com> @nfjinjing":
         - moesocks
-    
+
     "Gregory W. Schwartz <gregory.schwartz@drexel.edu>":
         - fasta
 
@@ -1470,6 +1470,7 @@ packages:
         # https://github.com/fpco/stackage/issues/832
         - linear < 1.20
         - reflection < 2.1
+        - diagrams-lib < 1.3.0.4
 
         # https://github.com/fpco/stackage/issues/836
         - singletons < 1.2