diff --git a/requirements/edx-sandbox/py35.txt b/requirements/edx-sandbox/py35.txt
index b34247ead1c0223075e63ca7663fc1143abe2032..55b0aa0080789c3371830ec395800abe68c0a0fa 100644
--- a/requirements/edx-sandbox/py35.txt
+++ b/requirements/edx-sandbox/py35.txt
@@ -20,7 +20,7 @@ matplotlib==2.2.4         # via -c requirements/edx-sandbox/../constraints.txt,
 mpmath==1.1.0             # via sympy
 networkx==2.2             # via -r requirements/edx-sandbox/py35.in
 nltk==3.5                 # via -r requirements/edx-sandbox/shared.txt, chem
-numpy==1.16.5             # via -c requirements/edx-sandbox/../constraints.txt, -r requirements/edx-sandbox/py35.in, chem, matplotlib, openedx-calc, scipy
+numpy==1.16.5             # via -c requirements/edx-sandbox/../constraints.txt, -r requirements/edx-sandbox/py35.in, chem, matplotlib, openedx-calc
 openedx-calc==1.0.9       # via -r requirements/edx-sandbox/py35.in
 pycparser==2.20           # via -r requirements/edx-sandbox/shared.txt, cffi
 pyparsing==2.2.0          # via -r requirements/edx-sandbox/py35.in, chem, matplotlib, openedx-calc
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index 1a4bf0dd6cd84fee9e62fc47b2ecf8f35d80d06e..4c5f4e59039bd6262a426c4c55351c4cce2c1a39 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -275,7 +275,7 @@ social-auth-core==3.3.3   # via -r requirements/edx/testing.txt, social-auth-app
 sorl-thumbnail==12.7.0    # via -r requirements/edx/testing.txt, django-wiki
 sortedcontainers==2.3.0   # via -r requirements/edx/testing.txt
 soupsieve==2.1            # via -r requirements/edx/testing.txt, beautifulsoup4
-sphinx==3.4.2             # via edx-sphinx-theme, sphinxcontrib-httpdomain
+sphinx==3.3.0             # via -c requirements/edx/../constraints.txt, edx-sphinx-theme, sphinxcontrib-httpdomain
 sphinxcontrib-applehelp==1.0.2  # via sphinx
 sphinxcontrib-devhelp==1.0.2  # via sphinx
 sphinxcontrib-htmlhelp==1.0.3  # via sphinx
diff --git a/requirements/edx/doc.txt b/requirements/edx/doc.txt
index 368d70c6b8d7a6bb77c4389419a9aadd981ca796..bb31fce358bb2eee51ac6e99e506b508f0c648d1 100644
--- a/requirements/edx/doc.txt
+++ b/requirements/edx/doc.txt
@@ -30,7 +30,7 @@ requests==2.25.1          # via sphinx
 six==1.15.0               # via edx-sphinx-theme, stevedore
 smmap==3.0.4              # via gitdb
 snowballstemmer==2.0.0    # via sphinx
-sphinx==3.4.2             # via -r requirements/edx/doc.in, edx-sphinx-theme
+sphinx==3.3.0             # via -c requirements/edx/../constraints.txt, -r requirements/edx/doc.in, edx-sphinx-theme
 sphinxcontrib-applehelp==1.0.2  # via sphinx
 sphinxcontrib-devhelp==1.0.2  # via sphinx
 sphinxcontrib-htmlhelp==1.0.3  # via sphinx