diff --git a/dist-back/aleatorio.js b/dist-back/aleatorio.cjs
similarity index 100%
rename from dist-back/aleatorio.js
rename to dist-back/aleatorio.cjs
diff --git a/dist-back/cacheMemoria.js b/dist-back/cacheMemoria.cjs
similarity index 100%
rename from dist-back/cacheMemoria.js
rename to dist-back/cacheMemoria.cjs
diff --git a/dist-back/constantes.js b/dist-back/constantes.cjs
similarity index 100%
rename from dist-back/constantes.js
rename to dist-back/constantes.cjs
diff --git a/dist-back/consulta.js b/dist-back/consulta.cjs
similarity index 100%
rename from dist-back/consulta.js
rename to dist-back/consulta.cjs
diff --git a/dist-back/dayjs.js b/dist-back/dayjs.cjs
similarity index 100%
rename from dist-back/dayjs.js
rename to dist-back/dayjs.cjs
diff --git a/dist-back/ecosistema/index.js b/dist-back/ecosistema/index.cjs
similarity index 100%
rename from dist-back/ecosistema/index.js
rename to dist-back/ecosistema/index.cjs
diff --git a/dist-back/ecosistema/urls.js b/dist-back/ecosistema/urls.cjs
similarity index 100%
rename from dist-back/ecosistema/urls.js
rename to dist-back/ecosistema/urls.cjs
diff --git a/dist-back/extensoes.js b/dist-back/extensoes.cjs
similarity index 100%
rename from dist-back/extensoes.js
rename to dist-back/extensoes.cjs
diff --git a/dist-back/graficosPilao.js b/dist-back/graficosPilao.cjs
similarity index 100%
rename from dist-back/graficosPilao.js
rename to dist-back/graficosPilao.cjs
diff --git a/dist-back/index.js b/dist-back/index.cjs
similarity index 100%
rename from dist-back/index.js
rename to dist-back/index.cjs
diff --git a/dist-back/instalarAmbiente.js b/dist-back/instalarAmbiente.cjs
similarity index 100%
rename from dist-back/instalarAmbiente.js
rename to dist-back/instalarAmbiente.cjs
diff --git a/dist-back/local/index.js b/dist-back/local/index.cjs
similarity index 100%
rename from dist-back/local/index.js
rename to dist-back/local/index.cjs
diff --git a/dist-back/logger.js b/dist-back/logger.cjs
similarity index 100%
rename from dist-back/logger.js
rename to dist-back/logger.cjs
diff --git a/dist-back/postgres.js b/dist-back/postgres.cjs
similarity index 100%
rename from dist-back/postgres.js
rename to dist-back/postgres.cjs
diff --git a/dist-back/teste.js b/dist-back/teste.cjs
similarity index 100%
rename from dist-back/teste.js
rename to dist-back/teste.cjs
diff --git a/dist-back/testes-de-variaveis/index.js b/dist-back/testes-de-variaveis/index.cjs
similarity index 100%
rename from dist-back/testes-de-variaveis/index.js
rename to dist-back/testes-de-variaveis/index.cjs
diff --git a/dist-back/testes-de-variaveis/umaFuncao.js b/dist-back/testes-de-variaveis/umaFuncao.cjs
similarity index 100%
rename from dist-back/testes-de-variaveis/umaFuncao.js
rename to dist-back/testes-de-variaveis/umaFuncao.cjs
diff --git a/dist-back/testes-de-variaveis/umaVariavel.js b/dist-back/testes-de-variaveis/umaVariavel.cjs
similarity index 100%
rename from dist-back/testes-de-variaveis/umaVariavel.js
rename to dist-back/testes-de-variaveis/umaVariavel.cjs
diff --git a/dist-back/testes/TipagemRotas.test.js b/dist-back/testes/TipagemRotas.test.cjs
similarity index 100%
rename from dist-back/testes/TipagemRotas.test.js
rename to dist-back/testes/TipagemRotas.test.cjs
diff --git a/dist-back/texto_busca.js b/dist-back/texto_busca.cjs
similarity index 100%
rename from dist-back/texto_busca.js
rename to dist-back/texto_busca.cjs
diff --git a/dist-back/tipagemRotas.js b/dist-back/tipagemRotas.cjs
similarity index 100%
rename from dist-back/tipagemRotas.js
rename to dist-back/tipagemRotas.cjs
diff --git a/dist-back/unidades_medida.js b/dist-back/unidades_medida.cjs
similarity index 100%
rename from dist-back/unidades_medida.js
rename to dist-back/unidades_medida.cjs
diff --git a/dist-back/uuid.js b/dist-back/uuid.cjs
similarity index 100%
rename from dist-back/uuid.js
rename to dist-back/uuid.cjs
diff --git a/dist-back/variaveisComuns.js b/dist-back/variaveisComuns.cjs
similarity index 100%
rename from dist-back/variaveisComuns.js
rename to dist-back/variaveisComuns.cjs
diff --git a/package.json b/package.json
index 6c34b0b..01c7ed6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "p-comuns",
-  "version": "0.246.0",
+  "version": "0.247.0",
   "description": "",
   "main": "./dist-back/index.js",
   "module": "./dist-front/index.mjs",
@@ -9,7 +9,7 @@
     ".": {
       "types": "./dist-front/index.d.mts",
       "import": "./dist-front/index.mjs",
-      "require": "./dist-back/index.js"
+      "require": "./dist-back/index.cjs"
     }
   },
   "scripts": {
diff --git a/tsup/tsup.config.back.ts b/tsup/tsup.config.back.ts
index cffbdf4..1ca86af 100644
--- a/tsup/tsup.config.back.ts
+++ b/tsup/tsup.config.back.ts
@@ -17,7 +17,7 @@ export const tsup_config_back: Options = {
   sourcemap: false,
   minify: false, // Geralmente não minificamos o código do backend em produção, mas você pode mudar
   platform: "node",
-  outExtension: () => ({ js: ".js" }),
+  outExtension: () => ({ js: ".cjs" }),
 }
 
 // Exporta a configuração padrão usando defineConfig