diff --git a/configure b/configure
index 1e6af5e7..f3186018 100755
--- a/configure
+++ b/configure
@@ -60,7 +60,7 @@ function execute () {
 }
 
 PACKAGES=""
-OCAML_PACKAGES="ocamlbuild cryptokit zmq sexplib ppx_sexp_conv ppx_deriving getopt"
+OCAML_PACKAGES="ocamlbuild cryptokit zmq sexplib.v0.11.0 ppx_sexp_conv ppx_deriving getopt"
 
 while true ; do
     case "$1" in