diff --git a/services/deoldify-colorizer/Dockerfile b/services/deoldify-colorizer/Dockerfile
index 5a7c168..1cd220a 100644
--- a/services/deoldify-colorizer/Dockerfile
+++ b/services/deoldify-colorizer/Dockerfile
@@ -20,7 +20,7 @@ RUN apt-get update && \
     curl
 
 # OpenCV dependencies
-RUN apt-get install -y libglib2.0-0 libsm6 libxext6 libxrender-dev
+RUN apt-get install -y libglib2.0-0 libsm6 libxext6 libxrender-dev libgl1-mesa-glx
 
 # Installing SNET Daemon
 RUN SNETD_GIT_VERSION=`curl -s https://api.github.com/repos/singnet/snet-daemon/releases/latest | grep -oP '"tag_name": "\K(.*)(?=")' || echo "v5.0.1"` && \
@@ -37,16 +37,16 @@ RUN cd ${SINGNET_REPOS} && \
     cd ${DNN_REPO_NAME}/utils && \
     ./get_colorize_model.sh
 
+# Installing deps and building protobuf messages
+RUN cd ${SERVICES_FOLDER}/${SERVICE_NAME} && \
+    pip install -U pip==20.2.4 && \
+    pip install -r requirements.txt && \
+    sh buildproto.sh
+
 # DeOldify Repository
 RUN cd ${SERVICES_FOLDER}/${SERVICE_NAME} && \
     git submodule update --init -- DeOldify && \
     cd DeOldify && \
-    pip install -U pip==20.2.4 && \
     pip install -r requirements.txt
 
-# Building protobuf messages
-RUN cd ${SERVICES_FOLDER}/${SERVICE_NAME} && \
-    pip install -r requirements.txt && \
-    sh buildproto.sh
-
 WORKDIR ${SERVICES_FOLDER}/${SERVICE_NAME}
\ No newline at end of file
diff --git a/services/deoldify-colorizer/requirements.txt b/services/deoldify-colorizer/requirements.txt
index 8ce46d5..02564d0 100644
--- a/services/deoldify-colorizer/requirements.txt
+++ b/services/deoldify-colorizer/requirements.txt
@@ -1,3 +1,4 @@
 grpcio==1.27.2
 grpcio-tools==1.27.2
-requests==2.20.0
\ No newline at end of file
+requests==2.20.0
+opencv-python==4.5.3.56
diff --git a/services/deoldify-colorizer/test_service.py b/services/deoldify-colorizer/test_service.py
index 9dc0ad5..7fb09ee 100644
--- a/services/deoldify-colorizer/test_service.py
+++ b/services/deoldify-colorizer/test_service.py
@@ -35,7 +35,7 @@
 
         if grpc_method == "colorize":
             response = stub.colorize(grpc_input)
-            if response.img_colorized == "Fail":
+            if response.img_colorized == "Fail" or len(response.img_colorized) == 0:
                 print(response.img_colorized)
                 exit(1)
             else: