1 files changed, 1 insertions, 0 deletions
diff --git a/toytt.opam b/toytt.opam
index c111515..a10e9c7 100644
--- a/toytt.opam
+++ b/toytt.opam
@@ -17,6 +17,7 @@ depends: [
   "algaeff"
   "asai"
   "bwd"
+  "fmt"
   "yuujinchou"
   "odoc" {with-doc}
 ]