diff --git a/modules/programs.nix b/modules/programs.nix
index 4e7169a..947feab 100644
--- a/modules/programs.nix
+++ b/modules/programs.nix
@@ -5,7 +5,9 @@
       packages = with pkgs.rPackages; [
         MASS
         bayesplot
+        brms
         ggplot2
+        rstan
         tidyverse
       ];
     };