diff --git a/packages/wasm/ballerina-lang-go b/packages/wasm/ballerina-lang-go
index 840d581..ae2382f 160000
--- a/packages/wasm/ballerina-lang-go
+++ b/packages/wasm/ballerina-lang-go
@@ -1 +1 @@
-Subproject commit 840d581f10723737c722930543bc2e2d4bd4aa7d
+Subproject commit ae2382f404948cd99e7018ee8e0efbe5ededb97d
diff --git a/packages/wasm/main_wasm.go b/packages/wasm/main_wasm.go
index 1f021d2..2ab30c7 100644
--- a/packages/wasm/main_wasm.go
+++ b/packages/wasm/main_wasm.go
@@ -70,15 +70,18 @@ func run(this js.Value, args []js.Value) any {
 	}
 
 	backend := projects.NewBallerinaBackend(compilation)
-	bir := backend.BIR()
+	birPkgs := backend.BIRPackages()
 
-	if bir == nil {
-		return jsError(fmt.Errorf("BIR generation failed"))
+	if len(birPkgs) == 0 {
+		return jsError(fmt.Errorf("BIR generation failed: no BIR package produced"))
 	}
 
 	rt := runtime.NewRuntime()
-	if err := rt.Interpret(*bir); err != nil {
-		return jsError(err)
+
+	for _, birPkg := range birPkgs {
+		if err := rt.Interpret(*birPkg); err != nil {
+			return jsError(err)
+		}
 	}
 
 	return nil