1 files changed, 1 insertions, 0 deletions
diff --git a/disml.opam b/disml.opam
index 808416c..e390c37 100644
--- a/disml.opam
+++ b/disml.opam
@@ -30,6 +30,7 @@ depends: [
   "websocket-async" {>= "2.12"}
   "decompress"
   "odoc" {with-doc & >= "1.3.0"}
+  "yojson" {>= "1.6.0"}
 ]
 build: [
   ["dune" "subst"] {pinned}