diff --git a/vendors/ocaml-uecc/test/jbuild b/vendors/ocaml-uecc/test/jbuild
index f60ace3ea..74eddc728 100644
--- a/vendors/ocaml-uecc/test/jbuild
+++ b/vendors/ocaml-uecc/test/jbuild
@@ -3,13 +3,11 @@
 (executable
  ((name test)
   (modules (Test))
-  (public_name test-uecc)
   (libraries (alcotest uecc))))
 
 (executable
  ((name test_vectors)
   (modules (Vectors Test_vectors))
-  (public_name test-uecc-vectors)
   (libraries (cstruct hex alcotest uecc))))
 
 (alias
diff --git a/vendors/ocaml-uecc/uecc.opam b/vendors/ocaml-uecc/uecc.opam
index d14d63333..19341e42f 100644
--- a/vendors/ocaml-uecc/uecc.opam
+++ b/vendors/ocaml-uecc/uecc.opam
@@ -18,4 +18,6 @@ depends: [
   "jbuilder" {build & >= "1.0+beta19.1"}
   "bigstring" {>= "0.1.1"}
   "alcotest" {test & >= "0.8.1"}
+  "cstruct" {test & >= "3.2.1"}
+  "hex" {test}
 ]