diff --git a/build-constraints.yaml b/build-constraints.yaml
index 26e47782..fcff6e72 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -926,13 +926,13 @@ packages:
     "Brent Yorgey <byorgey@gmail.com> @byorgey":
         - active
         - diagrams
-        - diagrams-builder < 0 # via lens-4.17
-        - diagrams-cairo < 0 # via lens-4.17
-        - diagrams-canvas < 0 # via lens-4.17
+        - diagrams-builder < 0 # haskell-src-exts-simple
+        - diagrams-cairo < 0 # cairo
+        - diagrams-canvas < 0 # base-4.13, lens-4.18
         - diagrams-contrib
         - diagrams-core
-        - diagrams-gtk < 0 # via diagrams-cairo
-        - diagrams-html5 < 0 # via lens-4.17
+        - diagrams-gtk < 0 # cairo
+        - diagrams-html5 < 0 # lens-4.18
         - diagrams-lib
         - diagrams-postscript
         - diagrams-rasterific