diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8c5cf7e0..00e3fb01 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3356,6 +3356,7 @@ packages:
         - Color
         - safe-decimal
         - flush-queue
+        - pvar
 
     "Hans-Peter Deifel <hpd@hpdeifel.de> @hpdeifel":
         - hledger-iadd