diff --git a/home.nix b/home.nix
index df12149..5f2723a 100644
--- a/home.nix
+++ b/home.nix
@@ -51,7 +51,7 @@ in
     (ruby_4_0.override {docSupport = true;})
     rubyPackages_4_0.solargraph
     rubyPackages_4_0.rubocop
-    elixir
+    beam27Packages.elixir_1_20
     lua
     #sageWithDoc
     zls
@@ -158,6 +158,12 @@ in
     ".scryerrc".text = ''
       :- use_module(library(clpz)).
     '';
+
+    ".ocamlinit".text = ''
+      #require "core.top";;
+      #require "ppx_jane";;
+      open Base;;
+    '';
   };
 
   programs.fish = {
@@ -496,6 +502,12 @@ in
 
   programs.home-manager.enable = true;
 
+  programs.opam = {
+    enable = true;
+    enableFishIntegration = true;
+    enableBashIntegration = true;
+  };
+
   services.syncthing = {
     enable = true;
   };