diff --git a/pkgs/by-name/op/open-webui/package.nix b/pkgs/by-name/op/open-webui/package.nix
index dc762e3362d1..1264f36d7352 100644
--- a/pkgs/by-name/op/open-webui/package.nix
+++ b/pkgs/by-name/op/open-webui/package.nix
@@ -103,6 +103,7 @@ python3.pkgs.buildPythonApplication rec {
     pymysql
     pypandoc
     pypdf
+    python-dotenv
     python-jose
     python-multipart
     python-pptx