diff --git a/pyproject.toml b/pyproject.toml
index 19daebd..4c70caa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
     "pypng",
     "icmplib",
     "mss",
-    "zxing-cpp",
+    "zxing-cpp<3",
     "pillow",
     "Xray-core",
     "hysteria",
diff --git a/requirements.txt b/requirements.txt
index 88e1d33..b8263b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ pyqrcode
 pypng
 icmplib
 mss
-zxing-cpp
+zxing-cpp<3
 pillow
 Xray-core
 hysteria