diff --git a/dev/.env.example b/dev/.env.example
new file mode 100644
index 000000000..20937ac38
--- /dev/null
+++ b/dev/.env.example
@@ -0,0 +1,2 @@
+PRESET=tanstack
+INPUT=full
diff --git a/dev/openapi-python.config.ts b/dev/openapi-python.config.ts
index 91b64d75e..6d6f15a98 100644
--- a/dev/openapi-python.config.ts
+++ b/dev/openapi-python.config.ts
@@ -1,3 +1,5 @@
+import 'dotenv/config';
+
 import path from 'node:path';
 
 import { defineConfig } from '@hey-api/openapi-python';
diff --git a/dev/openapi-ts.config.ts b/dev/openapi-ts.config.ts
index ed64f0c03..3a8207ade 100644
--- a/dev/openapi-ts.config.ts
+++ b/dev/openapi-ts.config.ts
@@ -1,3 +1,5 @@
+import 'dotenv/config';
+
 import path from 'node:path';
 
 import { defineConfig } from '@hey-api/openapi-ts';