diff --git a/.coveragerc b/.coveragerc
index bb88ac6c..58a9a7ce 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -7,7 +7,6 @@ omit =
     conpot/core/loggers/sqlite_log.py
     conpot/core/loggers/stix_transform.py
     conpot/core/loggers/taxii_log.py
-    conpot/utils/mac_addr.py
     .tox/*
 
 
diff --git a/.dockerignore b/.dockerignore
index 0f4fc436..fb181d08 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -4,6 +4,11 @@
 .gitignore
 .landscape.yaml
 .travis.yaml
+.venv
+.pytest_cache
+
+**/__pycache__
+
 Changelog.txt
 docker-compose.xml
 Dockerfile
diff --git a/Dockerfile b/Dockerfile
index bb09f31f..0b07d907 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,11 +15,7 @@ WORKDIR /opt/conpot
 COPY . .
 
 # Install specific dependencies
-RUN pip3 install --no-cache-dir pysnmp==4.4.12 \
-    && pip3 install --no-cache-dir pysmi==0.3.2 \
-    && pip3 install --no-cache-dir pyasn1==0.4.8 \
-    && pip3 install --no-cache-dir cryptography==3.4.8 \
-    && pip3 install --no-cache-dir .
+RUN pip3 install --no-cache-dir .
 
 # Stage 2: Runtime stage
 FROM python:3.8-slim
diff --git a/Makefile b/Makefile
index 40db88f8..010d4fcc 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ build-docker:
 	docker build -t conpot:latest .
 
 run-docker:
-	docker run -it -p 80:8800 -p 102:10201 -p 502:5020 -p 161:16100/udp -p 47808:47808/udp -p 623:6230/udp -p 21:2121 -p 69:6969/udp -p 44818:44818 --network=bridge --name conpot conpot:latest
+	docker run --rm -it -p 80:8800 -p 102:10201 -p 502:5020 -p 161:16100/udp -p 47808:47808/udp -p 623:6230/udp -p 21:2121 -p 69:6969/udp -p 44818:44818 --network=bridge --name conpot conpot:latest
 
 format:
 	black .
diff --git a/bin/conpot b/bin/conpot
index 5e293eb6..075adc40 100755
--- a/bin/conpot
+++ b/bin/conpot
@@ -39,7 +39,6 @@ from conpot.core.log_worker import LogWorker
 from conpot.protocols.proxy.proxy import Proxy
 from conpot.utils import ext_ip
 from conpot.utils.greenlet import spawn_startable_greenlet
-from conpot.utils import mac_addr
 from conpot.utils.networking import fix_sslwrap
 
 logger = logging.getLogger()
@@ -365,8 +364,6 @@ def main():
     if config.getboolean("fetch_public_ip", "enabled"):
         public_ip = ext_ip.get_ext_ip(config)
 
-
-
     for protocol_name, server_class in protocols.name_mapping.items():
         protocol_template = os.path.join(
             root_template_directory, protocol_name, "{0}.xml".format(protocol_name)
@@ -384,9 +381,7 @@ def main():
                 if ast.literal_eval(
                     dom_protocol.xpath("//{0}/@enabled".format(protocol_name))[0]
                 ):
-                    host = dom_protocol.xpath("//{0}/@host".format(protocol_name))[
-                        0
-                    ]
+                    host = dom_protocol.xpath("//{0}/@host".format(protocol_name))[0]
                     # -- > Are we running on testing config?
                     if "testing.cfg" in args.config:
                         if "127." not in host:
@@ -405,15 +400,11 @@ def main():
                     greenlet.link_exception(on_unhandled_greenlet_exception)
                     servers.append((server, greenlet))
                     logger.info(
-                        "Found and enabled {} protocol.".format(
-                            protocol_name, server
-                        )
+                        "Found and enabled {} protocol.".format(protocol_name, server)
                     )
             else:
                 logger.info(
-                    "{} available but disabled by configuration.".format(
-                        protocol_name
-                    )
+                    "{} available but disabled by configuration.".format(protocol_name)
                 )
         else:
             logger.debug(
@@ -430,9 +421,7 @@ def main():
     # TODO: Line up Proxy init with other protocols
     template_proxy = os.path.join(root_template_directory, "proxy", "proxy.xml")
     if os.path.isfile(template_proxy):
-        xsd_file = os.path.join(
-            os.path.dirname(inspect.getfile(Proxy)), "proxy.xsd"
-        )
+        xsd_file = os.path.join(os.path.dirname(inspect.getfile(Proxy)), "proxy.xsd")
         validate_template(template_proxy, xsd_file)
         dom_proxy = etree.parse(template_proxy)
         if dom_proxy.xpath("//proxies"):
diff --git a/requirements.txt b/requirements.txt
index d1ddeb21..eb1e79dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,8 @@
 gevent>=1.0
-pysnmp
+pysnmp==4.4.12
 pysnmp-mibs
-pysmi
+pysmi==0.3.2
+pyasn1==0.4.8
 lxml
 requests
 sphinx
@@ -25,6 +26,6 @@ tftpy
 # some freezegun versions broken
 freezegun!=0.3.13
 pytest
-cryptography
+cryptography==3.4.8
 sphinx_rtd_theme
 psutil