diff --git a/build-constraints.yaml b/build-constraints.yaml
index f41a30eab..f36197b91 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3764,6 +3764,7 @@ packages:
         - alex-tools
         - language-lua
         - snap-server
+        - cabal-add
 
     "Ashley Yakeley <ashley@semantic.org> @AshleyYakeley":
         - countable
@@ -8572,6 +8573,9 @@ package-flags:
     hackage-security:
       Cabal-syntax: true
 
+    cabal-add:
+      cabal-syntax: true
+
     aws-sns-verify:
       development: true