diff --git a/thoom-emacs/modules/thoom-editing.el b/thoom-emacs/modules/thoom-editing.el
index 5c1203b..60b1052 100644
--- a/thoom-emacs/modules/thoom-editing.el
+++ b/thoom-emacs/modules/thoom-editing.el
@@ -35,3 +35,7 @@
   :ensure t
   :bind (("C-z" . avy-zap-up-to-char-dwim)
          ("M-z" . avy-zap-to-char-dwim)))
+
+(use-package expand-region
+  :ensure t
+  :bind (("C-=" . er/expand-region)))