diff --git a/src/main.zig b/src/main.zig
index ceaa395f..6e0f63c9 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -17,7 +17,7 @@ fn execJS(
 ) !void {
 
     // start JS env
-    js_env.start(apis);
+    try js_env.start(alloc, apis);
     defer js_env.stop();
 
     // alias global as self and window
diff --git a/src/main_shell.zig b/src/main_shell.zig
index 62746dcc..c3c89171 100644
--- a/src/main_shell.zig
+++ b/src/main_shell.zig
@@ -16,7 +16,7 @@ fn execJS(
 ) !void {
 
     // start JS env
-    js_env.start(apis);
+    try js_env.start(alloc, apis);
     defer js_env.stop();
 
     // alias global as self and window
diff --git a/src/main_wpt.zig b/src/main_wpt.zig
index acaddcae..fab10e25 100644
--- a/src/main_wpt.zig
+++ b/src/main_wpt.zig
@@ -175,7 +175,7 @@ fn runWPT(arena: *std.heap.ArenaAllocator, comptime apis: []jsruntime.API, f: []
     try js_env.load(apis, &tpls);
 
     // start JS env
-    js_env.start(apis);
+    try js_env.start(alloc, apis);
     defer js_env.stop();
 
     // add document object
diff --git a/src/run_tests.zig b/src/run_tests.zig
index ef84cc45..d65a520d 100644
--- a/src/run_tests.zig
+++ b/src/run_tests.zig
@@ -23,7 +23,7 @@ fn testExecFn(
 ) !void {
 
     // start JS env
-    js_env.start(apis);
+    try js_env.start(alloc, apis);
     defer js_env.stop();
 
     // alias global as self and window
diff --git a/vendor/jsruntime-lib b/vendor/jsruntime-lib
index 4b0aee36..ed78daab 160000
--- a/vendor/jsruntime-lib
+++ b/vendor/jsruntime-lib
@@ -1 +1 @@
-Subproject commit 4b0aee368d8023060528b4cc3c2b3f757cf835a3
+Subproject commit ed78daab48b38eaff6b018f13392fcbc0078408b