diff --git a/src/bin/update-kc-gen.ts b/src/bin/update-kc-gen.ts
index 2c758458..985b3710 100644
--- a/src/bin/update-kc-gen.ts
+++ b/src/bin/update-kc-gen.ts
@@ -4,6 +4,7 @@ import { join as pathJoin } from "path";
 import { existsAsync } from "./tools/fs.existsAsync";
 import { maybeDelegateCommandToCustomHandler } from "./shared/customHandler_delegate";
 import { runFormat } from "./tools/runFormat";
+import * as crypto from "crypto";
 
 export async function command(params: { buildContext: BuildContext }) {
     const { buildContext } = params;
@@ -19,86 +20,106 @@ export async function command(params: { buildContext: BuildContext }) {
 
     const filePath = pathJoin(buildContext.themeSrcDirPath, `kc.gen.tsx`);
 
-    const currentContent = (await existsAsync(filePath))
-        ? await fs.readFile(filePath)
-        : undefined;
-
     const hasLoginTheme = buildContext.implementedThemeTypes.login.isImplemented;
     const hasAccountTheme = buildContext.implementedThemeTypes.account.isImplemented;
 
-    const newContent = Buffer.from(
-        [
-            ``,
-            `// This file is auto-generated by Keycloakify, do not modify it manually.`,
-            ``,
-            `import { lazy, Suspense, type ReactNode } from "react";`,
-            ``,
-            `export type ThemeName = ${buildContext.themeNames.map(themeName => `"${themeName}"`).join(" | ")};`,
-            ``,
-            `export const themeNames: ThemeName[] = [${buildContext.themeNames.map(themeName => `"${themeName}"`).join(", ")}];`,
-            ``,
-            `export type KcEnvName = ${buildContext.environmentVariables.length === 0 ? "never" : buildContext.environmentVariables.map(({ name }) => `"${name}"`).join(" | ")};`,
-            ``,
-            `export const kcEnvNames: KcEnvName[] = [${buildContext.environmentVariables.map(({ name }) => `"${name}"`).join(", ")}];`,
-            ``,
-            `export const kcEnvDefaults: Record<KcEnvName, string> = ${JSON.stringify(
-                Object.fromEntries(
-                    buildContext.environmentVariables.map(
-                        ({ name, default: defaultValue }) => [name, defaultValue]
-                    )
-                ),
-                null,
-                2
-            )};`,
-            ``,
-            `export type KcContext =`,
-            hasLoginTheme && `    | import("./login/KcContext").KcContext`,
-            hasAccountTheme && `    | import("./account/KcContext").KcContext`,
-            `    ;`,
-            ``,
-            `declare global {`,
-            `    interface Window {`,
-            `        kcContext?: KcContext;`,
-            `    }`,
-            `}`,
-            ``,
-            hasLoginTheme &&
-                `export const KcLoginPage = lazy(() => import("./login/KcPage"));`,
-            hasAccountTheme &&
-                `export const KcAccountPage = lazy(() => import("./account/KcPage"));`,
-            ``,
-            `export function KcPage(`,
-            `    props: {`,
-            `        kcContext: KcContext;`,
-            `        fallback?: ReactNode;`,
-            `    }`,
-            `) {`,
-            `    const { kcContext, fallback } = props;`,
-            `    return (`,
-            `        <Suspense fallback={fallback}>`,
-            `            {(() => {`,
-            `                switch (kcContext.themeType) {`,
-            hasLoginTheme &&
-                `                    case "login": return <KcLoginPage kcContext={kcContext} />;`,
-            hasAccountTheme &&
-                `                    case "account": return <KcAccountPage kcContext={kcContext} />;`,
-            `                }`,
-            `            })()}`,
-            `        </Suspense>`,
-            `    );`,
-            `}`,
-            ``
-        ]
-            .filter(item => typeof item === "string")
-            .join("\n"),
-        "utf8"
-    );
+    const newContent = [
+        ``,
+        `/* eslint-disable */`,
+        ``,
+        `// @ts-nocheck`,
+        ``,
+        `// noinspection JSUnusedGlobalSymbols`,
+        ``,
+        `import { lazy, Suspense, type ReactNode } from "react";`,
+        ``,
+        `export type ThemeName = ${buildContext.themeNames.map(themeName => `"${themeName}"`).join(" | ")};`,
+        ``,
+        `export const themeNames: ThemeName[] = [${buildContext.themeNames.map(themeName => `"${themeName}"`).join(", ")}];`,
+        ``,
+        `export type KcEnvName = ${buildContext.environmentVariables.length === 0 ? "never" : buildContext.environmentVariables.map(({ name }) => `"${name}"`).join(" | ")};`,
+        ``,
+        `export const kcEnvNames: KcEnvName[] = [${buildContext.environmentVariables.map(({ name }) => `"${name}"`).join(", ")}];`,
+        ``,
+        `export const kcEnvDefaults: Record<KcEnvName, string> = ${JSON.stringify(
+            Object.fromEntries(
+                buildContext.environmentVariables.map(
+                    ({ name, default: defaultValue }) => [name, defaultValue]
+                )
+            ),
+            null,
+            2
+        )};`,
+        ``,
+        `export type KcContext =`,
+        hasLoginTheme && `    | import("./login/KcContext").KcContext`,
+        hasAccountTheme && `    | import("./account/KcContext").KcContext`,
+        `    ;`,
+        ``,
+        `declare global {`,
+        `    interface Window {`,
+        `        kcContext?: KcContext;`,
+        `    }`,
+        `}`,
+        ``,
+        hasLoginTheme &&
+            `export const KcLoginPage = lazy(() => import("./login/KcPage"));`,
+        hasAccountTheme &&
+            `export const KcAccountPage = lazy(() => import("./account/KcPage"));`,
+        ``,
+        `export function KcPage(`,
+        `    props: {`,
+        `        kcContext: KcContext;`,
+        `        fallback?: ReactNode;`,
+        `    }`,
+        `) {`,
+        `    const { kcContext, fallback } = props;`,
+        `    return (`,
+        `        <Suspense fallback={fallback}>`,
+        `            {(() => {`,
+        `                switch (kcContext.themeType) {`,
+        hasLoginTheme &&
+            `                    case "login": return <KcLoginPage kcContext={kcContext} />;`,
+        hasAccountTheme &&
+            `                    case "account": return <KcAccountPage kcContext={kcContext} />;`,
+        `                }`,
+        `            })()}`,
+        `        </Suspense>`,
+        `    );`,
+        `}`,
+        ``
+    ]
+        .filter(item => typeof item === "string")
+        .join("\n");
+
+    const hash = crypto.createHash("sha256").update(newContent).digest("hex");
+
+    skip_if_no_changes: {
+        if (!(await existsAsync(filePath))) {
+            break skip_if_no_changes;
+        }
+
+        const currentContent = (await fs.readFile(filePath)).toString("utf8");
+
+        if (!currentContent.includes(hash)) {
+            break skip_if_no_changes;
+        }
 
-    if (currentContent !== undefined && currentContent.equals(newContent)) {
         return;
     }
 
-    await fs.writeFile(filePath, newContent);
+    await fs.writeFile(
+        filePath,
+        Buffer.from(
+            [
+                `// This file is auto-generated by the \`update-kc-gen\` command. Do not edit it manually.`,
+                `// Hash: ${hash}`,
+                ``,
+                newContent
+            ].join("\n"),
+            "utf8"
+        )
+    );
 
     runFormat({ packageJsonFilePath: buildContext.packageJsonFilePath });