diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9e1aa9de..8e3958e7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4938,6 +4938,7 @@ packages:
         - flatparse
         - strongweak
         - mason
+        - fortran-src-extras
 
     "David Terei <code@davidterei.com> @dterei":
         - memcache