diff --git a/fstar.opam b/fstar.opam
index e83ac1ba0f8..56c23f2ff90 100644
--- a/fstar.opam
+++ b/fstar.opam
@@ -1,5 +1,5 @@
 opam-version: "2.0"
-version: "2023.04.15~dev"
+version: "2023.09.03~dev"
 maintainer: "taramana@microsoft.com"
 authors: "Nik Swamy <nswamy@microsoft.com>,Jonathan Protzenko <protz@microsoft.com>,Tahina Ramananandro <taramana@microsoft.com>"
 homepage: "http://fstar-lang.org"
diff --git a/version.txt b/version.txt
index 5b76478e24c..15cf5d93df9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2023.04.26~dev
+2023.09.03~dev