diff --git a/tcpip.opam b/tcpip.opam
index b828fe435..bf65c42ad 100644
--- a/tcpip.opam
+++ b/tcpip.opam
@@ -20,7 +20,7 @@ build-test: [
 ]
 
 depends: [
-  "jbuilder" {>="1.0+beta9"}
+  "jbuilder"     {build & >="1.0+beta10"}
   "configurator" {build}
   "rresult"
   "cstruct" {>= "3.0.2"}