diff --git a/pkgs/development/python-modules/open-interpreter/default.nix b/pkgs/development/python-modules/open-interpreter/default.nix
index d771128a7903..dcd9ec37333c 100644
--- a/pkgs/development/python-modules/open-interpreter/default.nix
+++ b/pkgs/development/python-modules/open-interpreter/default.nix
@@ -53,6 +53,7 @@ buildPythonPackage rec {
     "google-generativeai"
     "psutil"
     "pynput"
+    "tiktoken"
     "yaspin"
   ];