diff --git a/build-constraints.yaml b/build-constraints.yaml
index 04706f28..012b5bc6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5265,7 +5265,7 @@ packages:
         - shellmet # #5965/closed
         - slist # #5965/closed
         - type-errors-pretty # #5965/closed
-        - typerep-map # #5965/closed
+        - typerep-map < 0.5 # internal library #5965/closed
         - unordered-intmap # #6326/closed
         - word-trie # #6326/closed
         - xdg-basedir # #6326/closed