diff --git a/pyproject.toml b/pyproject.toml
index 2f5e7ec..f63b25d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ test-core = [
 # ble: BLE client libraries (shared by test and examples)
 ble = [
     "bleak>=0.21.0",
-    "bleak-retry-connector>=2.13.1,<3",
+    "bleak-retry-connector>=2.13.1,<5",
     "simplepyble>=0.10.3",
     "bluepy>=1.3.0",
 ]