diff --git a/poetry.lock b/poetry.lock
index fe86f16e..7a1c3603 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -387,6 +387,18 @@ doh = ["requests", "requests-toolbelt"]
 idna = ["idna (>=2.1)"]
 trio = ["trio (>=0.14.0)", "sniffio (>=1.1)"]
 
+[[package]]
+category = "main"
+description = "A robust email syntax and deliverability validation library for Python 2.x/3.x."
+name = "email-validator"
+optional = false
+python-versions = "*"
+version = "1.1.1"
+
+[package.dependencies]
+dnspython = ">=1.15.0"
+idna = ">=2.0.0"
+
 [[package]]
 category = "main"
 description = "This client library is designed to support the Facebook Graph API and the official Facebook JavaScript SDK, which is the canonical way to implement Facebook authentication."
@@ -1684,9 +1696,9 @@ test = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 
 [metadata]
-content-hash = "5303557051852045309a428fbcb5ca0e706aecfacfd5b398dbd7c38b72537efc"
+content-hash = "3bbaf7732527d268d88fa45d58bb9ba4026075e1cced5986033259608c3b7114"
 lock-version = "1.0"
-python-versions = "3.7"
+python-versions = "^3.7"
 
 [metadata.files]
 aiocontextvars = [
@@ -1887,6 +1899,10 @@ dnspython = [
     {file = "dnspython-2.0.0-py3-none-any.whl", hash = "sha256:40bb3c24b9d4ec12500f0124288a65df232a3aa749bb0c39734b782873a2544d"},
     {file = "dnspython-2.0.0.zip", hash = "sha256:044af09374469c3a39eeea1a146e8cac27daec951f1f1f157b1962fc7cb9d1b7"},
 ]
+email-validator = [
+    {file = "email_validator-1.1.1-py2.py3-none-any.whl", hash = "sha256:5f246ae8d81ce3000eade06595b7bb55a4cf350d559e890182a1466a21f25067"},
+    {file = "email_validator-1.1.1.tar.gz", hash = "sha256:63094045c3e802c3d3d575b18b004a531c36243ca8d1cec785ff6bfcb04185bb"},
+]
 facebook-sdk = [
     {file = "facebook-sdk-3.1.0.tar.gz", hash = "sha256:cabcd2e69ea3d9f042919c99b353df7aa1e2be86d040121f6e9f5e63c1cf0f8d"},
     {file = "facebook_sdk-3.1.0-py2.py3-none-any.whl", hash = "sha256:2e987b3e0f466a6f4ee77b935eb023dba1384134f004a2af21f1cfff7fe0806e"},
diff --git a/pyproject.toml b/pyproject.toml
index 7d567ea7..a2d856db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,6 +73,7 @@ memory_profiler = "^0.57.0"
 gevent = "^20.9.0"
 aiocontextvars = "^0.2.2"
 aiospamc = "^0.6.1"
+email_validator = "^1.1.1"
 
 [tool.poetry.dev-dependencies]
 pytest = "^6.1.0"