diff --git a/lower-constraints.txt b/lower-constraints.txt
index 292a9d5e65d7..9f0a6359f7c5 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -140,7 +140,7 @@ requests-mock==1.2.0
 requests==2.14.2
 requestsexceptions==1.4.0
 retrying==1.3.3
-rfc3986==0.3.1
+rfc3986==1.1.0
 Routes==2.3.1
 simplejson==3.13.2
 six==1.10.0
diff --git a/nova/api/validation/validators.py b/nova/api/validation/validators.py
index 9537bb9644db..a4d3d1b4960d 100644
--- a/nova/api/validation/validators.py
+++ b/nova/api/validation/validators.py
@@ -87,8 +87,17 @@ def _validate_uuid_format(instance):
 
 @jsonschema.FormatChecker.cls_checks('uri')
 def _validate_uri(instance):
-    return rfc3986.is_valid_uri(instance, require_scheme=True,
-                                require_authority=True)
+    uri = rfc3986.uri_reference(instance)
+    validator = rfc3986.validators.Validator().require_presence_of(
+        'scheme', 'host',
+    ).check_validity_of(
+        'scheme', 'userinfo', 'host', 'path', 'query', 'fragment',
+    )
+    try:
+        validator.validate(uri)
+    except rfc3986.exceptions.RFC3986Exception:
+        return False
+    return True
 
 
 @jsonschema.FormatChecker.cls_checks('name_with_leading_trailing_spaces',
diff --git a/requirements.txt b/requirements.txt
index c782f8dd1107..acacf0af5e05 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ oslo.policy>=1.35.0 # Apache-2.0
 oslo.privsep>=1.23.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.service>=1.33.0 # Apache-2.0
-rfc3986>=0.3.1 # Apache-2.0
+rfc3986>=1.1.0 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0
 psutil>=3.2.2 # BSD
 oslo.versionedobjects>=1.33.3 # Apache-2.0