diff --git a/build-constraints.yaml b/build-constraints.yaml
index df49ea8f..2682dcd2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3322,6 +3322,8 @@ packages:
         - regex
         - regex-pcre-text
         - regex-with-pcre
+        - possibly
+        - enum-text
 
     "Elliot Cameron <eacameron@gmail.com> @3noch":
         []
@@ -4506,6 +4508,9 @@ packages:
         - dependent-sum < 0.5
         - typerep-map < 0.3.2
 
+        # https://github.com/commercialhaskell/stackage/issues/4463
+        - mime-mail < 0.5.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of