diff --git a/shells/r.nix b/shells/r.nix
index 7cf36a32..13259193 100644
--- a/shells/r.nix
+++ b/shells/r.nix
@@ -6,7 +6,10 @@ in
       (pkgs.rWrapper.override {
         packages = with pkgs.rPackages; [
           base64enc
+          dplyr
+          dslabs
           jsonlite
+          knitr
           R6
           rlang
         ];