diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index 877a936023..ebdd2d0369 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -9,7 +9,7 @@
 -e common/lib/capa
 -e common/lib/chem
 -e git+https://github.com/edx/codejail.git@a320d43ce6b9c93b17636b2491f724d9e433be47#egg=codejail
-git+https://github.com/solashirai/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
+git+https://github.com/edx/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
 git+https://github.com/mitodl/django-cas.git@afac57bc523f145ae826f4ed3d4fa8b2c86c5364#egg=django-cas==2.1.1
 git+https://github.com/edx/django-celery.git@756cb57aad765cb2b0d37372c1855b8f5f37e6b0#egg=django-celery==3.2.1+edx.2
 git+https://github.com/edx/django-oauth-plus.git@01ec2a161dfc3465f9d35b9211ae790177418316#egg=django-oauth-plus==2.2.9.edx-1
@@ -39,7 +39,7 @@ git+https://github.com/open-craft/xblock-poll@add89e14558c30f3c8dc7431e5cd6536ff
 -e common/lib/xmodule
 amqp==1.4.9               # via kombu
 analytics-python==1.2.9
-aniso8601==5.1.0          # via relativetimebuilder, tincan
+aniso8601==6.0.0          # via tincan
 anyjson==0.3.3            # via kombu
 appdirs==1.4.3            # via fs
 argh==0.26.2
@@ -207,7 +207,6 @@ pytz==2018.9
 pyuca==1.1
 pyyaml==3.13
 redis==2.10.6
-relativetimebuilder==0.2.0  # via aniso8601
 reportlab==3.5.13
 requests-oauthlib==1.1.0
 requests==2.21.0
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index c8ab12ae97..6790b0afce 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -9,7 +9,7 @@
 -e common/lib/capa
 -e common/lib/chem
 -e git+https://github.com/edx/codejail.git@a320d43ce6b9c93b17636b2491f724d9e433be47#egg=codejail
-git+https://github.com/solashirai/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
+git+https://github.com/edx/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
 git+https://github.com/mitodl/django-cas.git@afac57bc523f145ae826f4ed3d4fa8b2c86c5364#egg=django-cas==2.1.1
 git+https://github.com/edx/django-celery.git@756cb57aad765cb2b0d37372c1855b8f5f37e6b0#egg=django-celery==3.2.1+edx.2
 git+https://github.com/hmarr/django-debug-toolbar-mongo.git@b0686a76f1ce3532088c4aee6e76b9abe61cc808#egg=django-debug-toolbar-mongo==0.1.10
@@ -42,7 +42,7 @@ git+https://github.com/open-craft/xblock-poll@add89e14558c30f3c8dc7431e5cd6536ff
 alabaster==0.7.12         # via sphinx
 amqp==1.4.9
 analytics-python==1.2.9
-aniso8601==5.1.0
+aniso8601==6.0.0
 anyjson==0.3.3
 apipkg==1.5
 appdirs==1.4.3
@@ -293,7 +293,6 @@ pyyaml==3.13
 queuelib==1.5.0
 radon==3.0.1
 redis==2.10.6
-relativetimebuilder==0.2.0
 reportlab==3.5.13
 requests-oauthlib==1.1.0
 requests==2.21.0
diff --git a/requirements/edx/github.in b/requirements/edx/github.in
index 727f31e94b..b33922daff 100644
--- a/requirements/edx/github.in
+++ b/requirements/edx/github.in
@@ -90,7 +90,7 @@
 -e git+https://github.com/edx/acid-block.git@e46f9cda8a03e121a00c7e347084d142d22ebfb7#egg=acid-xblock
 -e git+https://github.com/edx/edx-ora2.git@2.2.1#egg=ora2==2.2.1
 -e git+https://github.com/edx/RecommenderXBlock.git@1.4.0#egg=recommender-xblock==1.4.0
--e git+https://github.com/solashirai/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
+-e git+https://github.com/edx/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
 -e git+https://github.com/edx/RateXBlock.git@367e19c0f6eac8a5f002fd0f1559555f8e74bfff#egg=rate-xblock
 -e git+https://github.com/edx/DoneXBlock.git@01a14f3bd80ae47dd08cdbbe2f88f3eb88d00fba#egg=done-xblock
 -e git+https://github.com/edx-solutions/xblock-google-drive.git@138e6fa0bf3a2013e904a085b9fed77dab7f3f21#egg=xblock-google-drive
diff --git a/requirements/edx/testing.txt b/requirements/edx/testing.txt
index 276e57c122..8aa9379892 100644
--- a/requirements/edx/testing.txt
+++ b/requirements/edx/testing.txt
@@ -9,7 +9,7 @@
 -e common/lib/capa
 -e common/lib/chem
 -e git+https://github.com/edx/codejail.git@a320d43ce6b9c93b17636b2491f724d9e433be47#egg=codejail
-git+https://github.com/solashirai/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
+git+https://github.com/edx/crowdsourcehinter.git@518605f0a95190949fe77bd39158450639e2e1dc#egg=crowdsourcehinter-xblock==0.1
 git+https://github.com/mitodl/django-cas.git@afac57bc523f145ae826f4ed3d4fa8b2c86c5364#egg=django-cas==2.1.1
 git+https://github.com/edx/django-celery.git@756cb57aad765cb2b0d37372c1855b8f5f37e6b0#egg=django-celery==3.2.1+edx.2
 git+https://github.com/edx/django-oauth-plus.git@01ec2a161dfc3465f9d35b9211ae790177418316#egg=django-oauth-plus==2.2.9.edx-1
@@ -40,7 +40,7 @@ git+https://github.com/open-craft/xblock-poll@add89e14558c30f3c8dc7431e5cd6536ff
 -e common/lib/xmodule
 amqp==1.4.9
 analytics-python==1.2.9
-aniso8601==5.1.0
+aniso8601==6.0.0
 anyjson==0.3.3
 apipkg==1.5               # via execnet
 appdirs==1.4.3
@@ -284,7 +284,6 @@ pyyaml==3.13
 queuelib==1.5.0           # via scrapy
 radon==3.0.1
 redis==2.10.6
-relativetimebuilder==0.2.0
 reportlab==3.5.13
 requests-oauthlib==1.1.0
 requests==2.21.0