diff --git a/Dockerfile b/Dockerfile
index ead8ea6..7dd4f00 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ WORKDIR /jd2cw
 COPY jd2cw /jd2cw/jd2cw
 COPY setup.py /jd2cw/
 RUN python3 --version && python3 -c 'import systemd'
-RUN python3 -m pip install ./
+RUN pip install ./
 RUN apt-get clean && rm -r ~/.cache && apt autoremove -y --purge && rm -rf /var/lib/apt/lists/*
 
 # Set the entrypoint and default command
diff --git a/Dockerfile.test b/Dockerfile.test
index f2c2f28..72158fa 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -1,6 +1,6 @@
 FROM journald-2-cloudwatch
 
-RUN python3 -m pip install requests-mock==1.8.0 botocore==1.10.84 'pytest<7.0' pytest-cov && python3 -c 'import pip,pytest'
+RUN pip install requests-mock==1.8.0 botocore==1.10.84 'pytest<7.0' pytest-cov && python3 -c 'import pip,pytest'
 # botocore==1.10.84 <- is a monkeypatching 6 years old for passing tests in the developing process of release 0.2.0 version
 
 ENTRYPOINT ["python3", "-m", "pytest", "-ocache_dir=/dev/null", "/jd2cw/tests", "-vv", "--cov=jd2cw", "--cov-report=term", "--cov-report=xml:/tmp/codecov/coverage.xml"]