diff --git a/MODULE.bazel b/MODULE.bazel
index 177db079ce..dbf61f8938 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -130,8 +130,7 @@ erlang_package.hex(
 
 erlang_package.git(
     repository = "rabbitmq/osiris",
-    tag = "v1.2.7",
-    # branch = "main",
+    branch = "main",
     patch_cmds = ["""
 VERSION=$(git rev-parse HEAD)
 echo "Injecting ${VERSION} into Makefile..."
diff --git a/deps/rabbit/Makefile b/deps/rabbit/Makefile
index ce746dad76..55a544dd7e 100644
--- a/deps/rabbit/Makefile
+++ b/deps/rabbit/Makefile
@@ -145,7 +145,7 @@ TEST_DEPS = rabbitmq_ct_helpers rabbitmq_ct_client_helpers amqp_client meck prop
 PLT_APPS += mnesia
 
 dep_syslog = git https://github.com/schlagert/syslog 4.0.0
-dep_osiris = git https://github.com/rabbitmq/osiris v1.2.7
+dep_osiris = git https://github.com/rabbitmq/osiris main
 dep_systemd = hex 0.6.1
 dep_seshat = hex 0.3.2
 
diff --git a/workspace_helpers.bzl b/workspace_helpers.bzl
index a9da331590..4ed1a38035 100644
--- a/workspace_helpers.bzl
+++ b/workspace_helpers.bzl
@@ -156,7 +156,7 @@ erlang_app(
 
     git_repository(
         name = "osiris",
-        tag  = "v1.2.7",
+        branch = "main",
         remote = "https://github.com/rabbitmq/osiris.git",
     )