diff --git a/Dockerfile b/Dockerfile
index 6b42ee8baf680ea7d673606a14a5194df64c557a..8813300d36837b2cc85a5c7389c8eead7ea55943 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -138,7 +138,7 @@ RUN cd /opt/ &&\
     rm -rf /opt/opencv-${OPENCV_VERSION} && rm -rf /opt/opencv_contrib-${OPENCV_VERSION} &&\
     ln -s /usr/local/include/opencv4/opencv2 /usr/local/include/opencv2
 
-ARG PROTOCOL_VERSION=0.3.2
+ARG PROTOCOL_VERSION=0.3.3
 
 # Beyond Protocol
 RUN wget https://gitlab.utu.fi/api/v4/projects/14965/packages/generic/libftl-protocol/${PROTOCOL_VERSION}/libftl-protocol${PROTOCOL_VERSION}-Linux.deb && \