diff --git a/.circleci/config.yml b/.circleci/config.yml
index 299b1b6..c3cc84e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ jobs:
   build-and-test:
     executor: 
       name: python/default
-      tag: "3.9"
+      tag: "3.8"
     environment:
       PYTHONPATH=./src
     steps:
@@ -20,7 +20,7 @@ jobs:
   lint-and-coverage:
     executor: 
       name: python/default
-      tag: "3.9"
+      tag: "3.8"
     environment:
       PYTHONPATH=./src
     steps:
@@ -40,7 +40,7 @@ jobs:
   test-on-k8s:
     executor: 
       name: python/default
-      tag: "3.9"
+      tag: "3.8"
     environment:
       PYTHONPATH=./src
     steps:
@@ -150,7 +150,7 @@ jobs:
   publish-to-pypi:
     executor: 
       name: python/default
-      tag: "3.9"
+      tag: "3.8"
     environment:
       PYTHONPATH=./src
     steps:
diff --git a/requirements.txt b/requirements.txt
index a1482db..39674e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-google-auth==1.21.3
-kubernetes>=21.7.0
+kubernetes<25.0.0
 robotframework>=3.2.2
 urllib3-mock>=0.3.3
diff --git a/testcases/Dockerfile b/testcases/Dockerfile
index 17c9473..46f15ad 100644
--- a/testcases/Dockerfile
+++ b/testcases/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9.0-alpine
+FROM python:3.8.0-alpine
 COPY setup.py README.md requirements.txt ./
 COPY src ./src
 COPY testcases ./testcases