diff --git a/src/main.zig b/src/main.zig
index a175929f..580e8971 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -20,6 +20,10 @@ fn execJS(
     js_env.start(apis);
     defer js_env.stop();
 
+    // alias global as self and window
+    try js_env.attachObject(try js_env.getGlobal(), "self", null);
+    try js_env.attachObject(try js_env.getGlobal(), "window", null);
+
     // add document object
     try js_env.addObject(apis, doc, "document");
 
diff --git a/src/main_shell.zig b/src/main_shell.zig
index e9acdc9d..e55facb5 100644
--- a/src/main_shell.zig
+++ b/src/main_shell.zig
@@ -19,6 +19,10 @@ fn execJS(
     js_env.start(apis);
     defer js_env.stop();
 
+    // alias global as self and window
+    try js_env.attachObject(try js_env.getGlobal(), "self", null);
+    try js_env.attachObject(try js_env.getGlobal(), "window", null);
+
     // add document object
     try js_env.addObject(apis, doc, "document");
 
diff --git a/src/run_tests.zig b/src/run_tests.zig
index bb036659..65ace233 100644
--- a/src/run_tests.zig
+++ b/src/run_tests.zig
@@ -23,6 +23,10 @@ fn testExecFn(
     js_env.start(apis);
     defer js_env.stop();
 
+    // alias global as self and window
+    try js_env.attachObject(try js_env.getGlobal(), "self", null);
+    try js_env.attachObject(try js_env.getGlobal(), "window", null);
+
     // document
     doc = try parser.documentHTMLParseFromFileAlloc(std.testing.allocator, "test.html");
     defer parser.documentHTMLClose(doc);
diff --git a/vendor/jsruntime-lib b/vendor/jsruntime-lib
index c2200495..3c64a17a 160000
--- a/vendor/jsruntime-lib
+++ b/vendor/jsruntime-lib
@@ -1 +1 @@
-Subproject commit c22004957dd52e3d6566ea9b2b1fb2e2f184b9c8
+Subproject commit 3c64a17a630b154a96702e6f272f925ff95e0504