diff --git a/requirements/edx-sandbox/py35.txt b/requirements/edx-sandbox/py35.txt
index 336fc05408..fde0371d3d 100644
--- a/requirements/edx-sandbox/py35.txt
+++ b/requirements/edx-sandbox/py35.txt
@@ -62,7 +62,6 @@ numpy==1.16.5
     #   chem
     #   matplotlib
     #   openedx-calc
-    #   scipy
 openedx-calc==1.0.9
     # via -r requirements/edx-sandbox/py35.in
 pycparser==2.20
diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index 8cce53bad0..549100ffe8 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -1039,7 +1039,7 @@ wrapt==1.11.2
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/paver.txt
-git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.4#egg=xblock-drag-and-drop-v2==2.3.4
+git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.5#egg=xblock-drag-and-drop-v2==2.3.5
     # via -r requirements/edx/github.in
 git+https://github.com/open-craft/xblock-poll@922cd36fb1c3cfe00b4ce03b19a13185d136447d#egg=xblock-poll==1.10.2
     # via -r requirements/edx/github.in
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index 014556681c..d9ed1f06b7 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -1451,7 +1451,7 @@ wrapt==1.11.2
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/testing.txt
     #   astroid
-git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.4#egg=xblock-drag-and-drop-v2==2.3.4
+git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.5#egg=xblock-drag-and-drop-v2==2.3.5
     # via -r requirements/edx/testing.txt
 git+https://github.com/open-craft/xblock-poll@922cd36fb1c3cfe00b4ce03b19a13185d136447d#egg=xblock-poll==1.10.2
     # via -r requirements/edx/testing.txt
diff --git a/requirements/edx/github.in b/requirements/edx/github.in
index 5875f7f544..f5a3e96b3d 100644
--- a/requirements/edx/github.in
+++ b/requirements/edx/github.in
@@ -72,4 +72,4 @@ git+https://github.com/edx/django-ratelimit-backend.git@v2.0.1a5#egg=django-rate
 # Third Party XBlocks
 
 git+https://github.com/open-craft/xblock-poll@922cd36fb1c3cfe00b4ce03b19a13185d136447d#egg=xblock-poll==1.10.2
-git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.4#egg=xblock-drag-and-drop-v2==2.3.4
+git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.5#egg=xblock-drag-and-drop-v2==2.3.5
diff --git a/requirements/edx/testing.txt b/requirements/edx/testing.txt
index a9466a3720..e1f37318df 100644
--- a/requirements/edx/testing.txt
+++ b/requirements/edx/testing.txt
@@ -1350,7 +1350,7 @@ wrapt==1.11.2
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/base.txt
     #   astroid
-git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.4#egg=xblock-drag-and-drop-v2==2.3.4
+git+https://github.com/edx-solutions/xblock-drag-and-drop-v2@v2.3.5#egg=xblock-drag-and-drop-v2==2.3.5
     # via -r requirements/edx/base.txt
 git+https://github.com/open-craft/xblock-poll@922cd36fb1c3cfe00b4ce03b19a13185d136447d#egg=xblock-poll==1.10.2
     # via -r requirements/edx/base.txt