diff --git a/tsconfig/all/tsconfig.json b/tsconfig/all/tsconfig.json
index b95307d4e..2a6f992de 100644
--- a/tsconfig/all/tsconfig.json
+++ b/tsconfig/all/tsconfig.json
@@ -8,6 +8,7 @@
     "../../../alpenglow/js/**/*",
     "../../../aqua/js/**/*",
     "../../../area-model-algebra/js/**/*",
+    "../../../area-model-multiplication/js/**/*",
     "../../../arithmetic/js/**/*",
     "../../../axon/js/**/*",
     "../../../balancing-chemical-equations/js/**/*",