diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7400f62..c64d388 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,24 +8,25 @@ chardet==4.0.0; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 click==7.1.2; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
 colorama==0.4.4; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and (python_version >= "3.7" and python_full_version < "3.0.0" and sys_platform == "win32" or sys_platform == "win32" and python_version >= "3.7" and python_full_version >= "3.5.0")
 csv-metadata-quality @ git+https://github.com/ilri/csv-metadata-quality.git@96ce1daa90844156997c88a59c2664193975566f ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-decorator==5.0.7; python_version >= "3.7"
-flake8==3.9.0; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
-flask==1.1.2; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
+decorator==5.0.9; python_version >= "3.7"
+flake8==3.9.2; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
+flask==1.1.4; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
 ftfy==5.9; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.5"
 gunicorn==20.1.0; python_version >= "3.5"
 idna==2.10; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-importlib-metadata==3.10.1; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.5.0" and python_version < "3.8" and python_version >= "3.6"
+importlib-metadata==4.0.1; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.5.0" and python_version < "3.8" and python_version >= "3.6"
 ipython-genutils==0.2.0; python_version >= "3.7"
-ipython==7.22.0; python_version >= "3.7"
+ipython==7.23.1; python_version >= "3.7"
 isort==5.8.0; python_version >= "3.6" and python_version < "4.0"
 itsdangerous==1.1.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 jedi==0.18.0; python_version >= "3.7"
 jinja2==2.11.3; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 langid==1.1.6; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-markupsafe==1.1.1; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
+markupsafe==2.0.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
+matplotlib-inline==0.1.2; python_version >= "3.7"
 mccabe==0.6.1; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 mypy-extensions==0.4.3; python_version >= "3.6"
-numpy==1.20.2; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.7"
+numpy==1.20.3; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.7"
 pandas==1.2.4; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 parso==0.8.2; python_version >= "3.7"
 pathspec==0.8.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
@@ -36,19 +37,19 @@ ptyprocess==0.7.0; sys_platform != "win32" and python_version >= "3.7"
 pycodestyle==2.7.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 pycountry==19.8.18; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 pyflakes==2.3.1; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
-pygments==2.8.1; python_version >= "3.7"
+pygments==2.9.0; python_version >= "3.7"
 python-dateutil==2.8.1; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 python-stdnum==1.16; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 pytz==2021.1; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 regex==2021.4.4; python_version >= "3.6"
 requests-cache==0.5.2; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 requests==2.25.1; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-six==1.15.0; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
+six==1.16.0; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 spdx-license-list==0.5.2; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 toml==0.10.2; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6"
 traitlets==5.0.5; python_version >= "3.7"
 typed-ast==1.4.3; python_version >= "3.6"
-typing-extensions==3.7.4.3; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.5.0" and python_version < "3.8" and python_version >= "3.6"
+typing-extensions==3.10.0.0; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.5.0" and python_version < "3.8" and python_version >= "3.6"
 urllib3==1.26.4; python_full_version >= "3.7.1" and python_version < "4" and python_full_version < "4.0.0"
 wcwidth==0.2.5; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.7"
 werkzeug==1.0.1; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
diff --git a/requirements.txt b/requirements.txt
index f90d4c8..b9a052c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,15 +4,15 @@ chardet==4.0.0; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 click==7.1.2; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 colorama==0.4.4; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 csv-metadata-quality @ git+https://github.com/ilri/csv-metadata-quality.git@96ce1daa90844156997c88a59c2664193975566f ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-flask==1.1.2; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
+flask==1.1.4; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
 ftfy==5.9; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.5"
 gunicorn==20.1.0; python_version >= "3.5"
 idna==2.10; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 itsdangerous==1.1.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 jinja2==2.11.3; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 langid==1.1.6; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-markupsafe==1.1.1; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
-numpy==1.20.2; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.7"
+markupsafe==2.0.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
+numpy==1.20.3; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.7"
 pandas==1.2.4; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 pycountry==19.8.18; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 python-dateutil==2.8.1; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
@@ -20,7 +20,7 @@ python-stdnum==1.16; python_full_version >= "3.7.1" and python_full_version < "4
 pytz==2021.1; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 requests-cache==0.5.2; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 requests==2.25.1; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-six==1.15.0; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
+six==1.16.0; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 spdx-license-list==0.5.2; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 urllib3==1.26.4; python_full_version >= "3.7.1" and python_version < "4" and python_full_version < "4.0.0"
 wcwidth==0.2.5; python_full_version >= "3.7.1" and python_full_version < "4.0.0" and python_version >= "3.5"