diff --git a/pkgs/applications/kde/kalendar.nix b/pkgs/applications/kde/kalendar.nix
index a762d605a32..eb5649a3225 100644
--- a/pkgs/applications/kde/kalendar.nix
+++ b/pkgs/applications/kde/kalendar.nix
@@ -35,6 +35,10 @@
 , akonadi-contacts
 , akonadi-calendar-tools
 , kdepim-runtime
+, gpgme
+, pimcommon
+, mailcommon
+, messagelib
 }:
 
 mkDerivation rec {
@@ -76,6 +80,11 @@ mkDerivation rec {
     akonadi-contacts
     akonadi-calendar-tools
     kdepim-runtime
+
+    gpgme
+    pimcommon
+    mailcommon
+    messagelib
   ];
 
   propagatedUserEnvPkgs = [ akonadi kdepim-runtime akonadi-search ];