diff --git a/MODULE.bazel b/MODULE.bazel
index ac6b4b75..2af9bc72 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,6 +1,6 @@
 module(
     name = "rabbitmq_ra",
-    version = "2.9.0",
+    version = "2.9.1-pre.1",
 )
 
 bazel_dep(
diff --git a/src/ra.app.src b/src/ra.app.src
index 27460296..f2925929 100644
--- a/src/ra.app.src
+++ b/src/ra.app.src
@@ -1,6 +1,6 @@
 {application,ra,
              [{description,"Raft library"},
-              {vsn,"2.9.0"},
+              {vsn,"2.9.1-pre.1"},
               {licenses,["Apache-2.0","MPL-2.0"]},
               {links,[{"github","https://github.com/rabbitmq/ra"}]},
               {modules,[]},