diff --git a/.tool-versions b/.tool-versions
index ef1ed28..c27da44 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-erlang 26.2.5-1
+erlang 27.1-1
diff --git a/scripts/ensure-rebar3.sh b/scripts/ensure-rebar3.sh
index 18b7549..33d211e 100755
--- a/scripts/ensure-rebar3.sh
+++ b/scripts/ensure-rebar3.sh
@@ -9,12 +9,15 @@ cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")/.."
 
 OTP_VSN=$(erl -noshell -eval 'io:format("~s~n", [erlang:system_info(otp_release)]), halt().')
 case ${OTP_VSN} in
-    25*)
-        VERSION="3.19.0-emqx-9"
+    27*)
+        VERSION="3.20.0-emqx-3"
         ;;
     26*)
         VERSION="3.20.0-emqx-1"
         ;;
+    25*)
+        VERSION="3.19.0-emqx-9"
+        ;;
     *)
         echo "Unsupported Erlang/OTP version $OTP_VSN"
         exit 1