diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 873d331c..0b137cdd 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -220,6 +220,11 @@ in
 
     # purescript
     purescript
+    spago
+
+    # dhall
+    haskellPackages.dhall
+    haskellPackages.dhall-json
 
     # Tools
     automake