diff --git a/oni/packages/emacs-config.scm b/oni/packages/emacs-config.scm
index 23c8581..e42f2dc 100644
--- a/oni/packages/emacs-config.scm
+++ b/oni/packages/emacs-config.scm
@@ -11,6 +11,8 @@
                 #:select (emacs-notmuch))
   #:use-module ((gnu packages python-xyz)
                 #:select (python-black))
+  #:use-module ((gnu packages tree-sitter)
+                #:select (tree-sitter-python))
   #:use-module (oni packages emacs))
 
 (define-public emacs-oni-config
@@ -410,7 +412,8 @@ Emacs")))
            emacs-oni-lsp
            emacs-rainbow-delimiters
            emacs-reformatter
-           python-black))))
+           python-black
+           tree-sitter-python))))
 
 (define-public emacs-oni-clojure
   (package