diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index 5fdf3748bd910ab71619a958aac897916c2f3c28..04609e303a02a731fcceea351e79632e31d7d9c7 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -156,7 +156,7 @@ maxminddb==1.5.4          # via -c requirements/edx/../constraints.txt, geoip2
 mock==3.0.5               # via -c requirements/edx/../constraints.txt, -r requirements/edx/paver.txt, xblock-drag-and-drop-v2, xblock-poll
 git+https://github.com/edx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a#egg=MongoDBProxy==0.1.0+edx.2  # via -r requirements/edx/github.in
 mongoengine==0.20.0       # via -r requirements/edx/base.in
-more-itertools==8.4.0     # via -r requirements/edx/paver.txt, zipp
+more-itertools==8.5.0     # via -r requirements/edx/paver.txt, zipp
 mpmath==1.1.0             # via sympy
 mysqlclient==2.0.1        # via -r requirements/edx/base.in
 newrelic==5.16.2.147      # via -r requirements/edx/base.in, edx-django-utils
diff --git a/requirements/edx/coverage.txt b/requirements/edx/coverage.txt
index 4d921836b4b3a7d0f2b175569e7efb95ff9a39b5..3b5b593c2186ecb093fe54cdcdc4100e68a3b533 100644
--- a/requirements/edx/coverage.txt
+++ b/requirements/edx/coverage.txt
@@ -11,7 +11,7 @@ inflect==3.0.2            # via -c requirements/edx/../constraints.txt, jinja2-p
 jinja2-pluralize==0.3.0   # via diff-cover
 jinja2==2.11.2            # via diff-cover, jinja2-pluralize
 markupsafe==1.1.1         # via jinja2
-more-itertools==8.4.0     # via zipp
+more-itertools==8.5.0     # via zipp
 pluggy==0.13.1            # via diff-cover
 pygments==2.6.1           # via diff-cover
 six==1.15.0               # via diff-cover
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index dd5feee3fbe4deb253f5f40495dd9d3044b62164..68fc9e39050c1b0e9e329c57ba5014e055674a9c 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -188,7 +188,7 @@ mistune==0.8.4            # via m2r
 mock==3.0.5               # via -c requirements/edx/../constraints.txt, -r requirements/edx/testing.txt, xblock-drag-and-drop-v2, xblock-poll
 git+https://github.com/edx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a#egg=MongoDBProxy==0.1.0+edx.2  # via -r requirements/edx/testing.txt
 mongoengine==0.20.0       # via -r requirements/edx/testing.txt
-more-itertools==8.4.0     # via -r requirements/edx/testing.txt, pytest, zipp
+more-itertools==8.5.0     # via -r requirements/edx/testing.txt, pytest, zipp
 mpmath==1.1.0             # via -r requirements/edx/testing.txt, sympy
 mysqlclient==2.0.1        # via -r requirements/edx/testing.txt
 newrelic==5.16.2.147      # via -r requirements/edx/testing.txt, edx-django-utils
diff --git a/requirements/edx/paver.txt b/requirements/edx/paver.txt
index 21b4b430cbcea2da819a6c858818e4a7d4b30595..55c39c6598631bb925b5a626ce7c14ca5e5ad7c5 100644
--- a/requirements/edx/paver.txt
+++ b/requirements/edx/paver.txt
@@ -13,7 +13,7 @@ lazy==1.4                 # via -r requirements/edx/paver.in
 libsass==0.10.0           # via -r requirements/edx/paver.in
 markupsafe==1.1.1         # via -r requirements/edx/paver.in
 mock==3.0.5               # via -c requirements/edx/../constraints.txt, -r requirements/edx/paver.in
-more-itertools==8.4.0     # via zipp
+more-itertools==8.5.0     # via zipp
 path==13.1.0              # via -c requirements/edx/../constraints.txt, -r requirements/edx/paver.in
 pathtools==0.1.2          # via watchdog
 paver==1.3.4              # via -r requirements/edx/paver.in
diff --git a/requirements/edx/testing.txt b/requirements/edx/testing.txt
index 1fa77d69eab320711900bf9ed2aae9753dd13237..4849ffdd34421fb00f771e183973f9f4eececadd 100644
--- a/requirements/edx/testing.txt
+++ b/requirements/edx/testing.txt
@@ -180,7 +180,7 @@ mccabe==0.6.1             # via pylint
 mock==3.0.5               # via -c requirements/edx/../constraints.txt, -r requirements/edx/base.txt, xblock-drag-and-drop-v2, xblock-poll
 git+https://github.com/edx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a#egg=MongoDBProxy==0.1.0+edx.2  # via -r requirements/edx/base.txt
 mongoengine==0.20.0       # via -r requirements/edx/base.txt
-more-itertools==8.4.0     # via -r requirements/edx/base.txt, -r requirements/edx/coverage.txt, pytest, zipp
+more-itertools==8.5.0     # via -r requirements/edx/base.txt, -r requirements/edx/coverage.txt, pytest, zipp
 mpmath==1.1.0             # via -r requirements/edx/base.txt, sympy
 mysqlclient==2.0.1        # via -r requirements/edx/base.txt
 newrelic==5.16.2.147      # via -r requirements/edx/base.txt, edx-django-utils