diff --git a/requirements/base.txt b/requirements/base.txt
index 42d825595f2..0a8a1026a2d 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -6,7 +6,7 @@
 #
 appdirs==1.4.3            # via fs
 backports.os==0.1.1       # via fs
-certifi==2019.6.16        # via requests
+certifi==2019.9.11        # via requests
 chardet==3.0.4            # via requests
 django-crum==0.7.3
 django-ipware==2.1.0
diff --git a/requirements/dev.txt b/requirements/dev.txt
index a1e84bc3e19..c80232df772 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -11,11 +11,11 @@ backports.functools-lru-cache==1.5  # via astroid, caniusepython3, isort, pylint
 backports.os==0.1.1       # via path.py
 bleach==3.1.0             # via readme-renderer
 caniusepython3==7.1.0
-certifi==2019.6.16        # via requests
+certifi==2019.9.11        # via requests
 chardet==3.0.4            # via requests
 click-log==0.1.8          # via edx-lint
 click==7.0                # via click-log, edx-lint, pip-tools
-configparser==4.0.1       # via importlib-metadata, pydocstyle, pylint
+configparser==4.0.2       # via importlib-metadata, pydocstyle, pylint
 contextlib2==0.5.5        # via importlib-metadata
 diff-cover==2.3.0
 distlib==0.2.9.post0      # via caniusepython3
@@ -28,7 +28,7 @@ filelock==3.0.12          # via tox
 future==0.17.1            # via backports.os
 futures==3.3.0 ; python_version == "2.7"  # via caniusepython3, isort
 idna==2.8                 # via requests
-importlib-metadata==0.21  # via path.py, pluggy, tox
+importlib-metadata==0.22  # via path.py, pluggy, tox
 inflect==2.1.0            # via jinja2-pluralize
 isort==4.3.21
 jinja2-pluralize==0.3.0   # via diff-cover
diff --git a/requirements/doc.txt b/requirements/doc.txt
index 4b0b08d0ff3..ed8edb829ad 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -10,7 +10,7 @@ attrs==19.1.0             # via packaging
 babel==2.7.0              # via sphinx
 backports.os==0.1.1       # via fs
 bleach==3.1.0             # via readme-renderer
-certifi==2019.6.16        # via requests
+certifi==2019.9.11        # via requests
 chardet==3.0.4            # via doc8, requests
 django-crum==0.7.3
 django-ipware==2.1.0
diff --git a/requirements/quality.txt b/requirements/quality.txt
index 8c7f2ec486a..9025d046f09 100644
--- a/requirements/quality.txt
+++ b/requirements/quality.txt
@@ -9,11 +9,11 @@ astroid==1.5.2            # via edx-lint, pylint, pylint-celery
 attrs==19.1.0             # via packaging
 backports.functools-lru-cache==1.5  # via astroid, caniusepython3, isort, pylint
 caniusepython3==7.1.0
-certifi==2019.6.16        # via requests
+certifi==2019.9.11        # via requests
 chardet==3.0.4            # via requests
 click-log==0.1.8          # via edx-lint
 click==7.0                # via click-log, edx-lint
-configparser==4.0.1       # via pydocstyle, pylint
+configparser==4.0.2       # via pydocstyle, pylint
 distlib==0.2.9.post0      # via caniusepython3
 django==1.11.24
 edx_lint==0.5.5
diff --git a/requirements/test.txt b/requirements/test.txt
index 0f41285fefc..144c7913e06 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -10,9 +10,9 @@ atomicwrites==1.3.0       # via pytest
 attrs==19.1.0             # via packaging, pytest
 backports.os==0.1.1       # via fs
 bok-choy==1.0.0
-certifi==2019.6.16        # via requests
+certifi==2019.9.11        # via requests
 chardet==3.0.4            # via requests
-configparser==4.0.1       # via importlib-metadata
+configparser==4.0.2       # via importlib-metadata
 contextlib2==0.5.5        # via importlib-metadata
 cookies==2.2.1            # via responses
 coverage==4.5.4           # via pytest-cov
@@ -39,7 +39,7 @@ future==0.17.1            # via backports.os, pyjwkest
 httmock==1.3.0
 httpretty==0.9.6
 idna==2.8                 # via requests
-importlib-metadata==0.21  # via pluggy, pytest
+importlib-metadata==0.22  # via pluggy, pytest
 jsonfield==2.0.2
 lazy==1.4                 # via bok-choy
 logilab-common==1.4.3