diff --git a/Makefile b/Makefile
index a6549a8474c215..13671e4db17888 100644
--- a/Makefile
+++ b/Makefile
@@ -1096,7 +1096,7 @@ endif
 		$(MACOSOUTDIR)/dist/npm/usr/local/lib/node_modules
 	unlink $(MACOSOUTDIR)/dist/node/usr/local/bin/npm
 	unlink $(MACOSOUTDIR)/dist/node/usr/local/bin/npx
-	$(NODE) tools/license2rtf.js < LICENSE > \
+	$(NODE) tools/license2rtf.mjs < LICENSE > \
 		$(MACOSOUTDIR)/installer/productbuild/Resources/license.rtf
 	cp doc/osx_installer_logo.png $(MACOSOUTDIR)/installer/productbuild/Resources
 	pkgbuild --version $(FULLVERSION) \
diff --git a/tools/license2rtf.js b/tools/license2rtf.mjs
similarity index 98%
rename from tools/license2rtf.js
rename to tools/license2rtf.mjs
index 817da81d7a6ada..49b923415768a0 100644
--- a/tools/license2rtf.js
+++ b/tools/license2rtf.mjs
@@ -1,7 +1,6 @@
-'use strict';
-
-const assert = require('assert');
-const Stream = require('stream');
+import assert from 'node:assert';
+import Stream from 'node:stream';
+import process from 'node:process';
 
 
 /*
diff --git a/vcbuild.bat b/vcbuild.bat
index 96306e407e1a19..d5299c3739a82d 100644
--- a/vcbuild.bat
+++ b/vcbuild.bat
@@ -420,9 +420,9 @@ if "%use_x64_node_exe%"=="true" (
     set exit_code=1
     goto exit
   )
-  %x64_node_exe% tools\license2rtf.js < LICENSE > %config%\license.rtf
+  %x64_node_exe% tools\license2rtf.mjs < LICENSE > %config%\license.rtf
 ) else (
-  %node_exe% tools\license2rtf.js < LICENSE > %config%\license.rtf
+  %node_exe% tools\license2rtf.mjs < LICENSE > %config%\license.rtf
 )
 
 if errorlevel 1 echo Failed to generate license.rtf&goto exit