diff --git a/configurations/nixos/pureintent/default.nix b/configurations/nixos/pureintent/default.nix
index 94dbcb5..9e0fe8f 100644
--- a/configurations/nixos/pureintent/default.nix
+++ b/configurations/nixos/pureintent/default.nix
@@ -36,7 +36,10 @@ in
     }
   ];
 
-  nix.settings.sandbox = "relaxed";
+  nix.settings = {
+    sandbox = "relaxed";
+    extra-experimental-features = [ "impure-derivations" "ca-derivations" ];
+  };
   nix.gc = {
     automatic = true;
     dates = "weekly";
diff --git a/modules/home/services/vira.nix b/modules/home/services/vira.nix
index bda39b8..370b511 100644
--- a/modules/home/services/vira.nix
+++ b/modules/home/services/vira.nix
@@ -46,6 +46,7 @@ in
         srid = "https://github.com/srid/srid.git";
         landrun-nix = "https://github.com/srid/landrun-nix.git";
         haskell-template = "https://github.com/srid/haskell-template.git";
+        commonmark-wikilink = "https://github.com/srid/commonmark-wikilink.git";
         # Just to test heavy weight stuff
         # superposition = "https://github.com/juspay/superposition.git";
       };