diff --git a/homeassistant/auth/mfa_modules/notify.py b/homeassistant/auth/mfa_modules/notify.py
index 12e80ae47b0..0f53ddc900d 100644
--- a/homeassistant/auth/mfa_modules/notify.py
+++ b/homeassistant/auth/mfa_modules/notify.py
@@ -25,7 +25,7 @@ from . import (
     SetupFlow,
 )
 
-REQUIREMENTS = ["pyotp==2.3.0"]
+REQUIREMENTS = ["pyotp==2.6.0"]
 
 CONF_MESSAGE = "message"
 
@@ -56,10 +56,10 @@ def _generate_secret() -> str:
 
 
 def _generate_random() -> int:
-    """Generate a 8 digit number."""
+    """Generate a 32 digit number."""
     import pyotp  # pylint: disable=import-outside-toplevel
 
-    return int(pyotp.random_base32(length=8, chars=list("1234567890")))
+    return int(pyotp.random_base32(length=32, chars=list("1234567890")))
 
 
 def _generate_otp(secret: str, count: int) -> str:
diff --git a/homeassistant/auth/mfa_modules/totp.py b/homeassistant/auth/mfa_modules/totp.py
index 0ff7e1147b1..e0e2b9522d9 100644
--- a/homeassistant/auth/mfa_modules/totp.py
+++ b/homeassistant/auth/mfa_modules/totp.py
@@ -18,7 +18,7 @@ from . import (
     SetupFlow,
 )
 
-REQUIREMENTS = ["pyotp==2.3.0", "PyQRCode==1.2.1"]
+REQUIREMENTS = ["pyotp==2.6.0", "PyQRCode==1.2.1"]
 
 CONFIG_SCHEMA = MULTI_FACTOR_AUTH_MODULE_SCHEMA.extend({}, extra=vol.PREVENT_EXTRA)
 
@@ -181,7 +181,7 @@ class TotpSetupFlow(SetupFlow):
         # to fix typing complaint
         self._auth_module: TotpAuthModule = auth_module
         self._user = user
-        self._ota_secret: str | None = None
+        self._ota_secret: str = ""
         self._url = None  # type Optional[str]
         self._image = None  # type Optional[str]
 
diff --git a/homeassistant/components/otp/manifest.json b/homeassistant/components/otp/manifest.json
index 9b8b4527b2c..14205b8652d 100644
--- a/homeassistant/components/otp/manifest.json
+++ b/homeassistant/components/otp/manifest.json
@@ -2,7 +2,7 @@
   "domain": "otp",
   "name": "One-Time Password (OTP)",
   "documentation": "https://www.home-assistant.io/integrations/otp",
-  "requirements": ["pyotp==2.3.0"],
+  "requirements": ["pyotp==2.6.0"],
   "codeowners": [],
   "quality_scale": "internal",
   "iot_class": "local_polling"
diff --git a/requirements_all.txt b/requirements_all.txt
index 16084510e96..e1881b2ad7e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1699,7 +1699,7 @@ pyotgw==1.1b1
 # homeassistant.auth.mfa_modules.notify
 # homeassistant.auth.mfa_modules.totp
 # homeassistant.components.otp
-pyotp==2.3.0
+pyotp==2.6.0
 
 # homeassistant.components.openweathermap
 pyowm==3.2.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index e2628d00576..088a140ffe3 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1024,7 +1024,7 @@ pyotgw==1.1b1
 # homeassistant.auth.mfa_modules.notify
 # homeassistant.auth.mfa_modules.totp
 # homeassistant.components.otp
-pyotp==2.3.0
+pyotp==2.6.0
 
 # homeassistant.components.openweathermap
 pyowm==3.2.0