diff --git a/bsconfig.json b/bsconfig.json
index a925074..07417fe 100644
--- a/bsconfig.json
+++ b/bsconfig.json
@@ -1,6 +1,6 @@
 {
   "name": "bs-sedlex",
-  "version": "20.0.0-pre.0",
+  "version": "20.0.0-pre.1",
   "sources": [
     {
       "dir": "src/lib"
diff --git a/package.json b/package.json
index eea5645..ce99d5c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bs-sedlex",
-  "version": "20.0.0-pre.0",
+  "version": "20.0.0-pre.1",
   "description": "An OCaml lexer generator for Unicode",
   "main": "index.js",
   "directories": {
diff --git a/ppx-sedlex b/ppx-sedlex
index 2109ef8..9958840 160000
--- a/ppx-sedlex
+++ b/ppx-sedlex
@@ -1 +1 @@
-Subproject commit 2109ef8ff2ad1bb32f55d4cd77ee845e6c9561cd
+Subproject commit 99588404c4543132b9af449ae3c92356adf8417e