diff --git a/build-constraints.yaml b/build-constraints.yaml
index 715b247a..0d9c2c71 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -735,7 +735,7 @@ packages:
         - download
         - textlocal
         - shell-conduit
-        - tldr
+        - tldr < 0.6.3 # https://github.com/commercialhaskell/stackage/issues/5277
         - fb
         - yesod-fb
         - yesod-auth-fb