diff --git a/docker.nix b/docker.nix
index df925a0..034f3ff 100644
--- a/docker.nix
+++ b/docker.nix
@@ -10,7 +10,7 @@ let
       name = "xena/christinewebsite";
       tag = pkg.version;
 
-      contents = [ pkg ];
+      contents = [ pkg pkgs.cacert ];
 
       config = {
         Cmd = [ "/bin/site" ];