diff --git a/Makefile b/Makefile
index 8e5fa5e..efa2977 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 .PHONY: check-rules-are-up-to-date
 check-rules-are-up-to-date:
-	node ./scripts/print-all-rules.js
+	node ./scripts/print-all-rules.mjs
 	git status | grep "rules"; test $$? -eq 1
 
 .PHONY: check-all-rules-are-considered
 check-all-rules-are-considered:
-	node ./scripts/check-all-rules-are-considered.js
+	node ./scripts/check-all-rules-are-considered.mjs
diff --git a/scripts/check-all-rules-are-considered.js b/scripts/check-all-rules-are-considered.mjs
similarity index 88%
rename from scripts/check-all-rules-are-considered.js
rename to scripts/check-all-rules-are-considered.mjs
index dff5cf3..4fe197a 100644
--- a/scripts/check-all-rules-are-considered.js
+++ b/scripts/check-all-rules-are-considered.mjs
@@ -1,4 +1,4 @@
-const fs = require("fs");
+import fs from "fs";
 
 function setDifference(a, b) {
   const diffArr = [...a].filter((element) => !b.has(element));
@@ -12,7 +12,9 @@ function setDifference(a, b) {
   const content = fs.readFileSync("rules/stylelint", { encoding: "utf8" });
   const allRules = content.split("\n").filter((line) => line !== "");
 
-  const consideredRules = Object.keys(require("../config/stylelint").rules);
+  const mod = await import("../config/stylelint.mjs");
+
+  const consideredRules = Object.keys(mod.default.rules);
 
   const allRulesSet = new Set(allRules);
   const consideredRulesSet = new Set(consideredRules);
diff --git a/scripts/print-all-rules.js b/scripts/print-all-rules.mjs
similarity index 76%
rename from scripts/print-all-rules.js
rename to scripts/print-all-rules.mjs
index 7feb705..a22e59b 100644
--- a/scripts/print-all-rules.js
+++ b/scripts/print-all-rules.mjs
@@ -1,6 +1,6 @@
-const fs = require("fs");
+import fs from "fs";
 
-const stylelint = require("stylelint");
+import stylelint from "stylelint";
 
 const ruleNames = Object.keys(stylelint.rules);
 ruleNames.sort((a, b) => a.localeCompare(b));