diff --git a/profiles/targets/desktop/package.use/thunderbird b/profiles/targets/desktop/package.use/thunderbird
index 2d1b805..cde9a14 100644
--- a/profiles/targets/desktop/package.use/thunderbird
+++ b/profiles/targets/desktop/package.use/thunderbird
@@ -1 +1,2 @@
 mail-client/thunderbird lightning
+dev-libs/sexp static-libs