diff --git a/requirements/edx-sandbox/py35.txt b/requirements/edx-sandbox/py35.txt
index 55a1534381..027bbddc1d 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
@@ -30,7 +30,7 @@ random2==1.0.1            # via -r requirements/edx-sandbox/py35.in
 regex==2020.11.13         # via -r requirements/edx-sandbox/shared.txt, nltk
 scipy==1.2.1              # via -c requirements/edx-sandbox/../constraints.txt, -r requirements/edx-sandbox/py35.in, chem, openedx-calc
 six==1.15.0               # via -r requirements/edx-sandbox/shared.txt, chem, cryptography, cycler, matplotlib, openedx-calc, python-dateutil
-sympy==1.4                # via -r requirements/edx-sandbox/py35.in, symmath
+sympy==1.6.2              # via -c requirements/edx-sandbox/../constraints.txt, -r requirements/edx-sandbox/py35.in, symmath
 tqdm==4.54.0              # via -r requirements/edx-sandbox/shared.txt, nltk
 
 # The following packages are considered to be unsafe in a requirements file:
diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index a49936e6a7..077e074e42 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -222,7 +222,7 @@ sqlparse==0.4.1           # via -r requirements/edx/base.in, django
 staff-graded-xblock==1.1  # via -r requirements/edx/base.in
 stevedore==1.32.0         # via -c requirements/edx/../constraints.txt, -r requirements/edx/base.in, -r requirements/edx/paver.txt, code-annotations, edx-ace, edx-django-utils, edx-enterprise, edx-opaque-keys
 super-csv==1.0.2          # via -r requirements/edx/base.in, edx-bulk-grades
-sympy==1.7                # via symmath
+sympy==1.6.2              # via -c requirements/edx/../constraints.txt, symmath
 tableauserverclient==0.14.0  # via edx-enterprise
 testfixtures==6.15.0      # via edx-enterprise
 text-unidecode==1.3       # via python-slugify
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index 995b11c6ae..433973b0c4 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -288,7 +288,7 @@ sqlparse==0.4.1           # via -r requirements/edx/testing.txt, django, django-
 staff-graded-xblock==1.1  # via -r requirements/edx/testing.txt
 stevedore==1.32.0         # via -c requirements/edx/../constraints.txt, -r requirements/edx/testing.txt, code-annotations, edx-ace, edx-django-utils, edx-enterprise, edx-opaque-keys
 super-csv==1.0.2          # via -r requirements/edx/testing.txt, edx-bulk-grades
-sympy==1.7                # via -r requirements/edx/testing.txt, symmath
+sympy==1.6.2              # via -c requirements/edx/../constraints.txt, -r requirements/edx/testing.txt, symmath
 tableauserverclient==0.14.0  # via -r requirements/edx/testing.txt, edx-enterprise
 testfixtures==6.15.0      # via -r requirements/edx/testing.txt, edx-enterprise
 text-unidecode==1.3       # via -r requirements/edx/testing.txt, faker, python-slugify
diff --git a/requirements/edx/testing.txt b/requirements/edx/testing.txt
index 8e6a3e43b0..efb0a3c8b3 100644
--- a/requirements/edx/testing.txt
+++ b/requirements/edx/testing.txt
@@ -267,7 +267,7 @@ sqlparse==0.4.1           # via -r requirements/edx/base.txt, django
 staff-graded-xblock==1.1  # via -r requirements/edx/base.txt
 stevedore==1.32.0         # via -c requirements/edx/../constraints.txt, -r requirements/edx/base.txt, code-annotations, edx-ace, edx-django-utils, edx-enterprise, edx-opaque-keys
 super-csv==1.0.2          # via -r requirements/edx/base.txt, edx-bulk-grades
-sympy==1.7                # via -r requirements/edx/base.txt, symmath
+sympy==1.6.2              # via -c requirements/edx/../constraints.txt, -r requirements/edx/base.txt, symmath
 tableauserverclient==0.14.0  # via -r requirements/edx/base.txt, edx-enterprise
 testfixtures==6.15.0      # via -r requirements/edx/base.txt, -r requirements/edx/testing.in, edx-enterprise
 text-unidecode==1.3       # via -r requirements/edx/base.txt, faker, python-slugify