diff --git a/esphome/components/wifi/wpa2_eap.py b/esphome/components/wifi/wpa2_eap.py
index 5b83c59866..8bf50598b0 100644
--- a/esphome/components/wifi/wpa2_eap.py
+++ b/esphome/components/wifi/wpa2_eap.py
@@ -114,8 +114,6 @@ def _check_private_key_cert_match(key, cert):
 
 
 def validate_eap(value):
-    validate_cryptography_installed()
-
     if CONF_USERNAME in value:
         if CONF_IDENTITY not in value:
             _LOGGER.info("EAP 'identity:' is not set, assuming username.")
diff --git a/requirements_test.txt b/requirements_test.txt
index 179f683b32..e9846fb29c 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,7 +1,7 @@
 pylint==2.5.3
 flake8==3.8.3
 pillow>4.0.0
-cryptography>=2.0.0,<3
+cryptography>=2.0.0,<4
 pexpect==4.8.0
 
 # Unit tests