diff --git a/config/x86_64/ci.toml b/config/x86_64/ci.toml
index fff2b1fff..07cb5392a 100644
--- a/config/x86_64/ci.toml
+++ b/config/x86_64/ci.toml
@@ -69,6 +69,7 @@ extrautils = {}
 ffmpeg6 = {}
 file = {}
 findutils = {}
+firefox = {}
 fish-shell = {}
 flycast = {}
 fontconfig = {}