diff --git a/ci/flake8.cfg b/ci/flake8.cfg
index 7fd3e94..f90503c 100644
--- a/ci/flake8.cfg
+++ b/ci/flake8.cfg
@@ -1,6 +1,6 @@
 # flake8 config file for pyclient
 
 [flake8]
-max_line_length = 99
+max_line_length = 120
 show-source = true
 ignore = E701 W504 W503 E203
diff --git a/ci/precommit.sh b/ci/precommit.sh
index 883ad27..34c981a 100755
--- a/ci/precommit.sh
+++ b/ci/precommit.sh
@@ -61,7 +61,7 @@ fi
 pushd $root > /dev/null
 banner "Executing in conda environment ${CONDA_DEFAULT_ENV} in directory ${root}"
 run "Unit Tests"     "pytest -vv -r sx pyclient"
-run "Style Checking" "black --line-length 99 --check pyclient"
+run "Style Checking" "black --line-length 120 --check pyclient"
 run "Linting"        "flake8 --config=$parent/flake8.cfg pyclient"
 run "Type Checking"  "mypy -p pyclient --config $parent/mypy.ini"
 popd > /dev/null