diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index 91bc7ddc317b..22fd6a35b169 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -604,10 +604,8 @@ html5lib==1.1
     # via
     #   -r requirements/edx/base.in
     #   ora2
-icalendar==5.0.1
-    # via
-    #   -c requirements/edx/../constraints.txt
-    #   -r requirements/edx/base.in
+icalendar==5.0.4
+    # via -r requirements/edx/base.in
 idna==3.4
     # via
     #   -r requirements/edx/paver.txt
@@ -716,9 +714,8 @@ markupsafe==2.1.1
     #   xblock
 maxminddb==2.2.0
     # via geoip2
-mock==4.0.3
+mock==5.0.1
     # via
-    #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/paver.txt
     #   xblock-poll
 mongodbproxy @ git+https://github.com/openedx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index 16328777a650..f57157a6c7bb 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -774,10 +774,8 @@ html5lib==1.1
     #   ora2
 httpretty==1.1.4
     # via -r requirements/edx/testing.txt
-icalendar==5.0.1
-    # via
-    #   -c requirements/edx/../constraints.txt
-    #   -r requirements/edx/testing.txt
+icalendar==5.0.4
+    # via -r requirements/edx/testing.txt
 idna==3.4
     # via
     #   -r requirements/edx/testing.txt
@@ -952,9 +950,8 @@ mistune==0.8.4
     # via
     #   -c requirements/edx/../constraints.txt
     #   m2r
-mock==4.0.3
+mock==5.0.1
     # via
-    #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/testing.txt
     #   xblock-poll
 mongodbproxy @ git+https://github.com/openedx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a
@@ -1508,7 +1505,9 @@ sphinxcontrib-httpdomain==1.8.1
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
 sphinxcontrib-openapi[markdown]==0.7.0
-    # via -r requirements/edx/development.in
+    # via
+    #   -c requirements/edx/../constraints.txt
+    #   -r requirements/edx/development.in
 sphinxcontrib-qthelp==1.0.3
     # via sphinx
 sphinxcontrib-serializinghtml==1.1.5
diff --git a/requirements/edx/paver.txt b/requirements/edx/paver.txt
index 9e584378c43f..ec13f2fdf300 100644
--- a/requirements/edx/paver.txt
+++ b/requirements/edx/paver.txt
@@ -20,10 +20,8 @@ libsass==0.10.0
     # via -r requirements/edx/paver.in
 markupsafe==2.1.1
     # via -r requirements/edx/paver.in
-mock==4.0.3
-    # via
-    #   -c requirements/edx/../constraints.txt
-    #   -r requirements/edx/paver.in
+mock==5.0.1
+    # via -r requirements/edx/paver.in
 path==16.6.0
     # via -r requirements/edx/paver.in
 paver==1.3.4
diff --git a/requirements/edx/testing.txt b/requirements/edx/testing.txt
index bdeaf5237c82..775055a3de5f 100644
--- a/requirements/edx/testing.txt
+++ b/requirements/edx/testing.txt
@@ -742,10 +742,8 @@ html5lib==1.1
     #   ora2
 httpretty==1.1.4
     # via -r requirements/edx/testing.in
-icalendar==5.0.1
-    # via
-    #   -c requirements/edx/../constraints.txt
-    #   -r requirements/edx/base.txt
+icalendar==5.0.4
+    # via -r requirements/edx/base.txt
 idna==3.4
     # via
     #   -r requirements/edx/base.txt
@@ -905,9 +903,8 @@ maxminddb==2.2.0
     #   geoip2
 mccabe==0.7.0
     # via pylint
-mock==4.0.3
+mock==5.0.1
     # via
-    #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/base.txt
     #   xblock-poll
 mongodbproxy @ git+https://github.com/openedx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a