diff --git a/test_suite.sh b/test_suite.sh
index ea5b297..5438257 100755
--- a/test_suite.sh
+++ b/test_suite.sh
@@ -41,7 +41,7 @@ then
 fi
 
 echo -ne "$SECTION_PREFIX RUN TESTS:\n\n"
-python -m pytest -vv --durations=3 --cov ./ --cov-report term-missing $PYTEST_REPORTS $SPECIFIC_TESTS; STATUS1=$?
+poetry run pytest -vv --durations=3 --cov ./ --cov-report term-missing $PYTEST_REPORTS $SPECIFIC_TESTS; STATUS1=$?
 
 echo -ne "$SECTION_PREFIX CHECK DOCKER USER IS PYTHON: "
 USEROUT=`checkuser`
@@ -49,17 +49,17 @@ STATUS2=$?
 reportvalidation "$STATUS2" "$USEROUT"
 
 echo -ne "$SECTION_PREFIX CHECK TYPING: "
-MYPYOUT=`mypy --cache-dir /home/python --no-error-summary . $MYPY_REPORTS`
+MYPYOUT=`poetry run mypy --cache-dir /home/python --no-error-summary . $MYPY_REPORTS`
 STATUS3=$?
 reportvalidation "$STATUS3" "$MYPYOUT"
 
 echo -ne "$SECTION_PREFIX CHECK LINTING: "
-FLAKE8OUT=`flake8`
+FLAKE8OUT=`poetry run flake8 .`
 STATUS4=$?
 reportvalidation "$STATUS4" "$FLAKE8OUT"
 
 echo -ne "$SECTION_PREFIX CHECK FORMATTING: "
-BLACKOUT=`black --skip-string-normalization --line-length 99 ./ --check 2>&1`; STATUS5=$?
+BLACKOUT=`poetry run black --skip-string-normalization --line-length 99 ./ --check 2>&1`; STATUS5=$?
 if [[ $BLACKOUT == "All done!"* ]]
 then
   echo "OK"
@@ -69,7 +69,7 @@ else
 fi
 
 echo -ne "$SECTION_PREFIX CHECK DOCSTRINGS: "
-INTERROGATEOUT=`interrogate`
+INTERROGATEOUT=`poetry run interrogate`
 STATUS5=$?
 reportvalidation "$STATUS5" "$INTERROGATEOUT"