diff --git a/Dockerfile b/Dockerfile
index a3f68ea..e6cd24f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,8 @@ pip3 install \
         certifi==2020.12.5 chardet==4.0.0 idna==2.10 urllib3==1.26.4 \
         six==1.15.0 msgpack==1.0.2 \
     influxdb_client==1.24.0 rx==3.2.0 \
-    yagrc==1.1.1 grpcio-reflection==1.36.1 protobuf==3.15.6
+    yagrc==1.1.1 grpcio-reflection==1.36.1 protobuf==3.15.6 \
+    typing-extensions>=4.3.0
 
 ADD . /app
 WORKDIR /app