diff --git a/common/sai_client/sai_redis_client/sai_redis_client.py b/common/sai_client/sai_redis_client/sai_redis_client.py
index 2782302e..ab48f5ac 100644
--- a/common/sai_client/sai_redis_client/sai_redis_client.py
+++ b/common/sai_client/sai_redis_client/sai_redis_client.py
@@ -53,7 +53,7 @@ def cleanup(self):
         '''
         self.assert_process_running(self.port, self.server_ip, "Redis server has not started yet...")
         self.r.flushall()
-        self.loglevel_db.hmset('syncd:syncd', {'LOGLEVEL':self.loglevel, 'LOGOUTPUT':'SYSLOG'})
+        self.loglevel_db.hset('syncd:syncd', mapping={'LOGLEVEL':self.loglevel, 'LOGOUTPUT':'SYSLOG'})
         self.r.shutdown()
         time.sleep(1)
         self.assert_process_running(self.port, self.server_ip, "Redis server has not restarted yet...")
diff --git a/common/sai_dataplane/ptf/sai_ptf_dataplane.py b/common/sai_dataplane/ptf/sai_ptf_dataplane.py
index df6ef2bc..49d8390f 100644
--- a/common/sai_dataplane/ptf/sai_ptf_dataplane.py
+++ b/common/sai_dataplane/ptf/sai_ptf_dataplane.py
@@ -5,7 +5,7 @@
 import os
 import copy
 import sys
-import imp
+import importlib
 import random
 import time
 import signal
@@ -146,6 +146,11 @@ def __logging_setup(config):
 
         ptf.open_logfile('main')
 
+    @staticmethod
+    def __import_module(root_path, module_name):
+        module_specs = importlib.util.find_spec(module_name, [root_path])
+        return module_specs.loader.load_module()
+
     def init(self):
         global ptf
         ptf.config.update(config_default)
@@ -178,7 +183,7 @@ def init(self):
 
         platform_mod = None
         try:
-            platform_mod = imp.load_module(platform_name, *imp.find_module(platform_name, [config["platform_dir"]]))
+            platform_mod = self.__import_module(config["platform_dir"], platform_name)
         except:
             logging.warn("Failed to import " + platform_name + " platform module")
             raise
diff --git a/common/sai_testbed.py b/common/sai_testbed.py
index af1a9ceb..e2d27cab 100644
--- a/common/sai_testbed.py
+++ b/common/sai_testbed.py
@@ -1,4 +1,4 @@
-import imp
+import importlib
 import os
 import json
 import glob
@@ -108,6 +108,11 @@ def __init__(self, base_dir, name, with_traffic, skip_dataplane=False):
         self.with_traffic = with_traffic
         self.skip_dataplane = skip_dataplane
 
+    @staticmethod
+    def __import_module(root_path, module_name):
+        module_specs = importlib.util.find_spec(module_name, [root_path])
+        return module_specs.loader.load_module()
+
     @staticmethod
     def spawn_asic(base_dir, cfg, asic_type="npu"):
         params = cfg.copy()
@@ -118,13 +123,13 @@ def spawn_asic(base_dir, cfg, asic_type="npu"):
         asic_mod = None
         module_name = f"sai_{asic_type}"
         try:
-            asic_mod = imp.load_module(module_name, *imp.find_module(module_name, [asic_dir]))
+            asic_mod = self.__import_module(asic_dir, module_name)
         except:
             logging.info("No {} specific module defined..".format(params["asic"]))
             try:
-                asic_mod = imp.load_module(module_name, *imp.find_module(module_name, [asic_dir + "/../"]))
+                asic_mod = self.__import_module(asic_dir + "/../", module_name)
             except:
-                logging.warn("No NPU specific module defined.")
+                logging.warning("No NPU specific module defined.")
 
         asic = None
         if asic_mod is not None:
diff --git a/dockerfiles/bullseye/Dockerfile b/dockerfiles/bullseye/Dockerfile
index a862b7f8..a6e83fbf 100644
--- a/dockerfiles/bullseye/Dockerfile
+++ b/dockerfiles/bullseye/Dockerfile
@@ -104,6 +104,9 @@ RUN apt-get install -y nlohmann-json3-dev
 RUN pip3 install pytest pytest_dependency pytest-html aenum pdbpp macaddress click==8.0
 RUN apt-get install -y python3-paramiko
 
+# Fix invoke/loader.py:3: DeprecationWarning caused by load_module()
+RUN pip3 install --upgrade invoke>=2.2.0
+
 # Deploy SAI Challenger
 COPY common              /sai-challenger/common
 COPY cli                 /sai-challenger/cli
diff --git a/dockerfiles/bullseye/Dockerfile.client b/dockerfiles/bullseye/Dockerfile.client
index 4dae5ddb..91c43c2f 100644
--- a/dockerfiles/bullseye/Dockerfile.client
+++ b/dockerfiles/bullseye/Dockerfile.client
@@ -65,6 +65,9 @@ RUN if [ "$NOSNAPPI" != "y" ]; then \
         pip3 install snappi==0.11.14 snappi_ixnetwork==0.9.1 ; \
     fi
 
+# Fix invoke/loader.py:3: DeprecationWarning caused by load_module()
+RUN pip3 install --upgrade invoke>=2.2.0
+
 # Install PTF dependencies
 RUN pip3 install scapy dpkt