diff --git a/tools/building.py b/tools/building.py
index c1de2a9062ce9..3f7c5f2341584 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -54,7 +54,7 @@
 
 #  Building
 binaryen_checked = False
-EXPECTED_BINARYEN_VERSION = 124
+EXPECTED_BINARYEN_VERSION = 125
 
 _is_ar_cache: Dict[str, bool] = {}
 # the exports the user requested