diff --git a/pyproject.toml b/pyproject.toml
index d7c96af3..9aec4b99 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,7 +74,6 @@ known_third_party = [
   "environ",
   "hypothesis",
   "invoke",
-  "orderedmultidict",
   "packaging",
   "parver",
   "pep517",
diff --git a/setup.cfg b/setup.cfg
index 865a4c91..242c9ec6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -43,7 +43,6 @@ install_requires =
     attrs>=19.2
     cached_property
     distlib>=0.2.8
-    orderedmultidict
     packaging>=19.0
     pep517>=0.5.0
     pip>=22.2
@@ -52,7 +51,7 @@ install_requires =
     requests
     setuptools>=40.8
     tomlkit>=0.5.3
-    vistir>=0.3.1
+    vistir==0.6.1
     pyparsing<3.0.0
 
 [options.extras_require]
diff --git a/src/requirementslib/models/url.py b/src/requirementslib/models/url.py
index 7d3980c3..5d8f0661 100644
--- a/src/requirementslib/models/url.py
+++ b/src/requirementslib/models/url.py
@@ -6,7 +6,6 @@
 from urllib.parse import unquote_plus
 
 import attr
-from orderedmultidict import omdict
 from pip._internal.models.link import Link
 from pip._internal.req.constructors import _strip_extras
 from urllib3.util import parse_url as urllib3_parse
@@ -87,8 +86,8 @@ class URI(object):
     username = attr.ib(default="", type=str)
     #: Password parsed from `user:password@hostname`
     password = attr.ib(default="", type=str, repr=False)
-    #: An orderedmultidict representing query fragments
-    query_dict = attr.ib(factory=omdict, type=omdict)
+    #: A dictionary representing query fragments
+    query_dict = attr.ib(factory=dict, type=dict)
     #: The name of the specified package in case it is a VCS URI with an egg fragment
     name = attr.ib(default="", type=str)
     #: Any extras requested from the requirement
@@ -105,7 +104,7 @@ class URI(object):
     def _parse_query(self):
         # type: () -> URI
         query = self.query if self.query is not None else ""
-        query_dict = omdict()
+        query_dict = dict()
         queries = query.split("&")
         query_items = []
         subdirectory = self.subdirectory if self.subdirectory else None
@@ -116,7 +115,7 @@ def _parse_query(self):
                 subdirectory = val
             else:
                 query_items.append((key, val))
-        query_dict.load(query_items)
+        query_dict.update(query_items)
         return attr.evolve(
             self, query_dict=query_dict, subdirectory=subdirectory, query=query
         )