diff --git a/apps/rebar/rebar.config b/apps/rebar/rebar.config
index cd9e17291..157432570 100644
--- a/apps/rebar/rebar.config
+++ b/apps/rebar/rebar.config
@@ -23,7 +23,7 @@
 
 {escript_name, rebar3}.
 {escript_wrappers_windows, ["cmd", "powershell"]}.
-{escript_comment, "%%Rebar3 3.20.0\n"}.
+{escript_comment, "%%Rebar3 3.21.0\n"}.
 {escript_emu_args, "%%! +sbtu +A1\n"}.
 %% escript_incl_priv is for internal rebar-private use only.
 %% Do not use outside rebar. Config interface is not stable.
diff --git a/apps/rebar/src/rebar.app.src.script b/apps/rebar/src/rebar.app.src.script
index 453bfa38a..181338fb6 100644
--- a/apps/rebar/src/rebar.app.src.script
+++ b/apps/rebar/src/rebar.app.src.script
@@ -3,7 +3,7 @@
 
 {application, rebar,
  [{description, "Rebar: Erlang Build Tool"},
-  {vsn, "3.20.0"},
+  {vsn, "3.21.0"},
   {modules, []},
   {registered, []},
   {applications, [kernel,
diff --git a/bootstrap b/bootstrap
index 1f89c97a2..b1a7c8112 100755
--- a/bootstrap
+++ b/bootstrap
@@ -53,7 +53,7 @@ main(Args) ->
     bootstrap_rebar3(),
 
     %% Build rebar.app from rebar.app.src
-    {ok, App} = rebar_app_info:new(rebar, "3.20.0", filename:absname("_build/default/lib/rebar/")),
+    {ok, App} = rebar_app_info:new(rebar, "3.21.0", filename:absname("_build/default/lib/rebar/")),
     rebar_otp_app:compile(rebar_state:new(), App),
 
     %% Because we are compiling files that are loaded already we want to silence
diff --git a/rebar.config b/rebar.config
index 77f492a87..72235d6a6 100644
--- a/rebar.config
+++ b/rebar.config
@@ -11,7 +11,7 @@
 {escript_main_app, rebar}.
 {escript_name, rebar3}.
 {escript_wrappers_windows, ["cmd", "powershell"]}.
-{escript_comment, "%%Rebar3 3.20.0\n"}.
+{escript_comment, "%%Rebar3 3.21.0\n"}.
 {escript_emu_args, "%%! +sbtu +A1\n"}.
 %% escript_incl_priv is for internal rebar-private use only.
 %% Do not use outside rebar. Config interface is not stable.