diff --git a/readthedocs/oauth/services/github.py b/readthedocs/oauth/services/github.py
index a46af32741c..ed44f7cde8c 100644
--- a/readthedocs/oauth/services/github.py
+++ b/readthedocs/oauth/services/github.py
@@ -8,7 +8,7 @@
 from allauth.socialaccount.providers.github.views import GitHubOAuth2Adapter
 from django.conf import settings
 from django.urls import reverse
-from oauthlib.oauth2.rfc6749.errors import CustomOAuth2Error
+from oauthlib.oauth2.rfc6749.errors import InvalidGrantError
 from requests.exceptions import RequestException
 
 from readthedocs.api.v2.client import api
@@ -516,9 +516,7 @@ def send_build_status(self, build, commit, state):
         # Catch exceptions with request or deserializing JSON
         except (RequestException, ValueError):
             log.exception('GitHub commit status creation failed for project.')
-        except CustomOAuth2Error as e:
-            if e.error != "invalid_grant":
-                raise
+        except InvalidGrantError:
             log.info("Invalid GitHub grant for user.", exc_info=True)
 
         return False
diff --git a/readthedocs/oauth/services/gitlab.py b/readthedocs/oauth/services/gitlab.py
index 25271842b9a..95d1f6247c5 100644
--- a/readthedocs/oauth/services/gitlab.py
+++ b/readthedocs/oauth/services/gitlab.py
@@ -8,7 +8,7 @@
 from allauth.socialaccount.providers.gitlab.views import GitLabOAuth2Adapter
 from django.conf import settings
 from django.urls import reverse
-from oauthlib.oauth2.rfc6749.errors import CustomOAuth2Error
+from oauthlib.oauth2.rfc6749.errors import InvalidGrantError
 from requests.exceptions import RequestException
 
 from readthedocs.builds import utils as build_utils
@@ -602,9 +602,7 @@ def send_build_status(self, build, commit, state):
                 'GitLab commit status creation failed.',
                 debug_data=debug_data,
             )
-        except CustomOAuth2Error as e:
-            if e.error != "invalid_grant":
-                raise
+        except InvalidGrantError:
             log.info("Invalid GitLab grant for user.", exc_info=True)
 
         return False