diff --git a/requirements/common.in b/requirements/common.in
index b7e2eae324..1801920d3f 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -193,6 +193,13 @@ lxml==4.3.3
 
 # Needed for 2-factor authentication
 django-two-factor-auth==1.8.0
+
+# Required by django-phonenumber-field which is a dependency of django-two-factor-auth.
+# Developers can install either phonenumberslite or phonenumbers. Developers of
+# django-two-factor-auth has not specified which package to install so we are going
+# with phonenumberslite since it has less memory footprint.
+phonenumberslite==8.10.12
+
 twilio==6.26.2
 
 # Needed for processing payments (in corporate)
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 4a3996f170..482a4b49ea 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -108,7 +108,7 @@ parsel==1.5.1             # via scrapy
 parso==0.4.0              # via jedi
 pbr==5.1.3                # via mock
 pexpect==4.7.0            # via ipython
-phonenumberslite==8.10.10  # via django-phonenumber-field
+phonenumberslite==8.10.12
 pickleshare==0.7.5        # via ipython
 pika==0.13.0
 pillow==5.4.1
diff --git a/requirements/prod.txt b/requirements/prod.txt
index 3179ed10fc..4fb5bf31da 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -78,7 +78,7 @@ oauthlib==3.0.1
 parso==0.4.0              # via jedi
 pbr==5.1.3                # via mock
 pexpect==4.7.0            # via ipython
-phonenumberslite==8.10.10  # via django-phonenumber-field
+phonenumberslite==8.10.12
 pickleshare==0.7.5        # via ipython
 pika==0.13.0
 pillow==5.4.1