diff --git a/environment.yml b/environment.yml
index b4f4b38..68690b0 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,4 +7,6 @@ dependencies:
   - nbdev=2.3.12
   - jupyterlab
   - jupyter-ai
-  - python=3.11 
+  - python=3.11
+  - pip:
+    - tiktoken