diff --git a/requirements-dev.txt b/requirements-dev.txt
index 40c49797..5142a879 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.7
+# This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
-#    pip-compile requirements-dev.in
+#    pip-compile --output-file=requirements-dev.txt requirements-dev.in
 #
 -e file:dependencies/RefGeo#egg=pypn-ref-geo
     # via -r requirements-submodules.in
@@ -97,27 +97,14 @@ geoalchemy2==0.14.2
     # via utils-flask-sqlalchemy-geo
 geojson==3.0.1
     # via utils-flask-sqlalchemy-geo
-greenlet==3.0.1
-    # via sqlalchemy
 gunicorn==21.2.0
     # via -r requirements-common.in
 idna==3.4
     # via requests
 importlib-metadata==4.2.0
     # via
-    #   alembic
-    #   attrs
-    #   click
     #   fiona
-    #   flake8
     #   flask
-    #   gunicorn
-    #   mako
-    #   pluggy
-    #   pytest
-    #   sqlalchemy
-importlib-resources==5.12.0
-    # via alembic
 iniconfig==2.0.0
     # via pytest
 itsdangerous==2.1.2
@@ -213,9 +200,7 @@ sqlalchemy==1.4.49
 tomli==2.0.1
     # via pytest
 typing-extensions==4.7.1
-    # via
-    #   alembic
-    #   importlib-metadata
+    # via alembic
 urllib3==1.26.18
     # via
     #   -r requirements-common.in
@@ -228,9 +213,7 @@ werkzeug==2.2.3
     #   pypnusershub
     #   pytest-flask
 zipp==3.15.0
-    # via
-    #   importlib-metadata
-    #   importlib-resources
+    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools
diff --git a/requirements.txt b/requirements.txt
index 58b2eb13..440990a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.7
+# This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
 #    pip-compile requirements.in
@@ -76,24 +76,14 @@ geoalchemy2==0.14.2
     # via utils-flask-sqlalchemy-geo
 geojson==3.0.1
     # via utils-flask-sqlalchemy-geo
-greenlet==3.0.1
-    # via sqlalchemy
 gunicorn==21.2.0
     # via -r requirements-common.in
 idna==3.4
     # via requests
 importlib-metadata==6.7.0
     # via
-    #   alembic
-    #   attrs
-    #   click
     #   fiona
     #   flask
-    #   gunicorn
-    #   mako
-    #   sqlalchemy
-importlib-resources==5.12.0
-    # via alembic
 itsdangerous==2.1.2
     # via flask
 jinja2==3.1.2
@@ -172,9 +162,7 @@ sqlalchemy==1.4.49
     #   utils-flask-sqlalchemy
     #   utils-flask-sqlalchemy-geo
 typing-extensions==4.7.1
-    # via
-    #   alembic
-    #   importlib-metadata
+    # via alembic
 urllib3==1.26.18
     # via
     #   -r requirements-common.in
@@ -194,9 +182,7 @@ werkzeug==2.2.3
     #   flask-login
     #   pypnusershub
 zipp==3.15.0
-    # via
-    #   importlib-metadata
-    #   importlib-resources
+    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools