diff --git a/modules/lang/ess/packages.el b/modules/lang/ess/packages.el
index bd2f024f0..46247a28e 100644
--- a/modules/lang/ess/packages.el
+++ b/modules/lang/ess/packages.el
@@ -3,3 +3,5 @@
 
 (package! ess :pin "2812b85880")
 (package! ess-R-data-view :pin "d6e98d3ae1")
+(package! polymode :pin "3eab3c9eed")
+(package! poly-R :pin "0443c89b4d")