diff --git a/bin/apply b/bin/apply
index b75f70c..f5bae3c 100755
--- a/bin/apply
+++ b/bin/apply
@@ -10,7 +10,7 @@ REV_FILE="$ROOT/works/rev"
 
 # defaults
 REPO_URL="https://git.sfclub.cc/icybear/sing-box.git"
-UPSTREAM_BRANCH="main"
+UPSTREAM_BRANCH="testing"
 
 CONFIG="$ROOT/works/config"
 if [ -f "$CONFIG" ]; then
diff --git a/bin/apply-ci b/bin/apply-ci
index 8552fd5..f0fc6fc 100755
--- a/bin/apply-ci
+++ b/bin/apply-ci
@@ -10,7 +10,7 @@ REV_FILE="$ROOT/works/rev"
 
 # defaults
 REPO_URL="https://git.sfclub.cc/icybear/sing-box.git"
-UPSTREAM_BRANCH="main"
+UPSTREAM_BRANCH="testing"
 
 CONFIG="$ROOT/works/config"
 if [ -f "$CONFIG" ]; then
diff --git a/bin/update b/bin/update
index 6198ca2..c833691 100755
--- a/bin/update
+++ b/bin/update
@@ -12,7 +12,7 @@ if [ ! -z "$DEPLOY_TOKEN" ]; then
   git config --global user.name imabot
   git config --global user.email icybear+ci@sab.ee
 fi
-UPSTREAM_BRANCH="main"
+UPSTREAM_BRANCH="testing"
 
 CONFIG="$ROOT/works/config"
 if [ -f "$CONFIG" ]; then