diff --git a/build-constraints.yaml b/build-constraints.yaml
index 39a462af..0fa1db45 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1138,6 +1138,10 @@ packages:
         
     "Sven Heyll <svh@posteo.de> @sheyll":
         - b9
+        
+    "Jakub Fijałkowski kuba@codinginfinity.me @Fiolek_":
+        - hlibsass
+        - hsass
 
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537