diff --git a/packages/effect-app/src/client.ts b/packages/effect-app/src/client.ts
index d6ed76dbd2..9d966f3875 100644
--- a/packages/effect-app/src/client.ts
+++ b/packages/effect-app/src/client.ts
@@ -1,7 +1,7 @@
 // codegen:start {preset: barrel, include: ./client/*.ts}
-export * from "./client/apiClientFactory.js"
-export * from "./client/clientFor.js"
-export * from "./client/errors.js"
-export * from "./client/InvalidationKeys.js"
-export * from "./client/makeClient.js"
+export * from "./client/apiClientFactory.ts"
+export * from "./client/clientFor.ts"
+export * from "./client/errors.ts"
+export * from "./client/InvalidationKeys.ts"
+export * from "./client/makeClient.ts"
 // codegen:end
diff --git a/packages/effect-app/src/utils.ts b/packages/effect-app/src/utils.ts
index 49c01be9ec..1f0ad42723 100644
--- a/packages/effect-app/src/utils.ts
+++ b/packages/effect-app/src/utils.ts
@@ -14,11 +14,11 @@ import { identity, pipe } from "./Function.js"
 import type { DeepMutable, Equals, Mutable } from "./Types.js"
 
 // codegen:start {preset: barrel, include: ./utils/*.ts, nodir: false }
-export * from "./utils/effectify.js"
-export * from "./utils/extend.js"
-export * from "./utils/gen.js"
-export * from "./utils/logger.js"
-export * from "./utils/logLevel.js"
+export * from "./utils/effectify.ts"
+export * from "./utils/extend.ts"
+export * from "./utils/gen.ts"
+export * from "./utils/logger.ts"
+export * from "./utils/logLevel.ts"
 // codegen:end
 
 export * from "effect/Utils"
diff --git a/packages/infra/src/Model/filter/types.ts b/packages/infra/src/Model/filter/types.ts
index e0cd223bf6..d4cca62cf1 100644
--- a/packages/infra/src/Model/filter/types.ts
+++ b/packages/infra/src/Model/filter/types.ts
@@ -1,6 +1,6 @@
 // codegen:start {preset: barrel, include: ./types/*.ts}
-export * from "./types/errors.js"
-export * from "./types/fields.js"
-export * from "./types/utils.js"
-export * from "./types/validator.js"
+export * from "./types/errors.ts"
+export * from "./types/fields.ts"
+export * from "./types/utils.ts"
+export * from "./types/validator.ts"
 // codegen:end
diff --git a/packages/infra/src/api/routing/middleware.ts b/packages/infra/src/api/routing/middleware.ts
index dd5396b296..06958a6a74 100644
--- a/packages/infra/src/api/routing/middleware.ts
+++ b/packages/infra/src/api/routing/middleware.ts
@@ -1,4 +1,4 @@
 // codegen:start {preset: barrel, include: ./middleware/*.ts, nodir: false }
-export * from "./middleware/middleware.js"
-export * from "./middleware/RouterMiddleware.js"
+export * from "./middleware/middleware.ts"
+export * from "./middleware/RouterMiddleware.ts"
 // codegen:end