diff --git a/requirements/edx-sandbox/py35.in b/requirements/edx-sandbox/py35.in
index c900ed2f79..13782a933e 100644
--- a/requirements/edx-sandbox/py35.in
+++ b/requirements/edx-sandbox/py35.in
@@ -15,15 +15,15 @@
 -c ../constraints.txt
 
 -r shared.txt                       # Dependencies in common with LMS and Studio
+chem
 matplotlib==2.2.4                   # 2D plotting library
 networkx==2.2                       # Utilities for creating, manipulating, and studying network graphs
 numpy==1.16.5                       # Numeric array processing utilities; used by scipy
+openedx-calc
 pyparsing==2.2.0                    # Python Parsing module
 random2                             # Implementation of random module that works identically under Python 2 and 3
 scipy==1.2.1                        # Math, science, and engineering library
 sympy==1.4                          # Symbolic math library
-git+https://github.com/edx/openedx-calc.git@e9b698c85ad1152002bc0868f475f153dce88952#egg=calc==0.4
-git+https://github.com/edx/openedx-chem.git@ff4e3a03d3c7610e47a9af08eb648d8aabe2eb18#egg=chem==1.0.0
 
 # Install these packages from the edx-platform working tree
 # NOTE: if you change code in these packages, you MUST change the version
diff --git a/requirements/edx-sandbox/py35.txt b/requirements/edx-sandbox/py35.txt
index 4160e8d371..2001c7b1cc 100644
--- a/requirements/edx-sandbox/py35.txt
+++ b/requirements/edx-sandbox/py35.txt
@@ -6,9 +6,8 @@
 #
 common/lib/sandbox-packages  # via -r requirements/edx-sandbox/py35.in
 common/lib/symmath  # via -r requirements/edx-sandbox/py35.in
-git+https://github.com/edx/openedx-calc.git@e9b698c85ad1152002bc0868f475f153dce88952#egg=calc==0.4  # via -r requirements/edx-sandbox/py35.in
 cffi==1.14.0              # via -r requirements/edx-sandbox/shared.txt, cryptography
-git+https://github.com/edx/openedx-chem.git@ff4e3a03d3c7610e47a9af08eb648d8aabe2eb18#egg=chem==1.0.0  # via -r requirements/edx-sandbox/py35.in
+chem==1.2.0               # via -r requirements/edx-sandbox/py35.in
 click==7.1.2              # via -r requirements/edx-sandbox/shared.txt, nltk
 cryptography==2.9.2       # via -r requirements/edx-sandbox/shared.txt
 cycler==0.10.0            # via matplotlib
@@ -21,15 +20,16 @@ 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 -r requirements/edx-sandbox/py35.in, calc, chem, matplotlib, scipy
+numpy==1.16.5             # via -r requirements/edx-sandbox/py35.in, chem, matplotlib, openedx-calc, scipy
+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, calc, chem, matplotlib
+pyparsing==2.2.0          # via -r requirements/edx-sandbox/py35.in, chem, matplotlib, openedx-calc
 python-dateutil==2.4.0    # via -c requirements/edx-sandbox/../constraints.txt, matplotlib
 pytz==2020.1              # via matplotlib
 random2==1.0.1            # via -r requirements/edx-sandbox/py35.in
 regex==2020.5.14          # via -r requirements/edx-sandbox/shared.txt, nltk
-scipy==1.2.1              # via -r requirements/edx-sandbox/py35.in, calc, chem
-six==1.15.0               # via -r requirements/edx-sandbox/shared.txt, calc, cryptography, cycler, matplotlib, python-dateutil
+scipy==1.2.1              # via -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
 tqdm==4.46.1              # via -r requirements/edx-sandbox/shared.txt, nltk