diff --git a/lib/handlebars/compiler/code-gen.js b/lib/handlebars/compiler/code-gen.js
index fedfeeeb..142425ea 100644
--- a/lib/handlebars/compiler/code-gen.js
+++ b/lib/handlebars/compiler/code-gen.js
@@ -8,7 +8,12 @@ try {
   if (typeof define !== 'function' || !define.amd) {
     // We don't support this in AMD environments. For these environments, we assume that
     // they are running on the browser and thus have no need for the source-map library.
-    let SourceMap = require('source-map');
+    // The variable indirection prevents bundlers from statically resolving and bundling
+    // source-map (which requires Node-built-ins). The stub SourceNode below handles
+    // browser/bundled usage. Bundlers may emit a "Critical dependency" warning — this
+    // is expected and harmless.
+    let mod = 'source-map';
+    let SourceMap = require(mod);
     SourceNode = SourceMap.SourceNode;
   }
   // oxlint-disable-next-line no-unused-vars -- Babel 5 requires named catch param