diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 98148bf8e..a4714a520 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,14 @@ Release notes
 =============
 
 
+Version v31.1.1
+----------------
+
+- We now support incomplete versions for a valid purl in search. For example,
+  you can now search for ``pkg:nginx/nginx@1`` and get all versions of nginx
+  starting with ``1``.
+
+
 Version v31.1.0
 ----------------
 
diff --git a/vulnerabilities/models.py b/vulnerabilities/models.py
index 8310aece0..8e7a4f858 100644
--- a/vulnerabilities/models.py
+++ b/vulnerabilities/models.py
@@ -417,7 +417,9 @@ def search(self, query=None):
         try:
             # if it's a valid purl, use it as is
             purl = PackageURL.from_string(query)
-            return self.for_purl(purl, with_qualifiers_and_subpath=False)
+            if purl.qualifiers or purl.subpath:
+                return self.for_purl(purl, with_qualifiers_and_subpath=False)
+            return qs.filter(package_url__istartswith=query)
         except ValueError:
             return qs.filter(package_url__icontains=query)
 
diff --git a/vulnerabilities/tests/test_view.py b/vulnerabilities/tests/test_view.py
index 44030408c..c3f15cdf8 100644
--- a/vulnerabilities/tests/test_view.py
+++ b/vulnerabilities/tests/test_view.py
@@ -34,6 +34,7 @@ def setUp(self):
             "pkg:nginx/nginx@1.14.1",
             "pkg:nginx/nginx@1.0.7",
             "pkg:nginx/nginx@1.0.15",
+            "pkg:pypi/foo@1",
         ]
         self.packages = packages
         for package in packages:
@@ -63,6 +64,65 @@ def test_package_view_with_purl_fragment(self):
         self.assertEqual(len(pkgs), 1)
         self.assertEqual(pkgs[0].purl, "pkg:nginx/nginx@1.0.15")
 
+    def test_package_view_with_purl_fragment(self):
+        qs = PackageSearch().get_queryset(query="nginx/nginx")
+        pkgs = list(qs)
+        pkgs = [p.purl for p in pkgs]
+        assert pkgs == [
+            "pkg:nginx/nginx@0.6.18",
+            "pkg:nginx/nginx@1.20.0",
+            "pkg:nginx/nginx@1.21.0",
+            "pkg:nginx/nginx@1.20.1",
+            "pkg:nginx/nginx@1.9.5",
+            "pkg:nginx/nginx@1.17.2",
+            "pkg:nginx/nginx@1.17.3",
+            "pkg:nginx/nginx@1.16.1",
+            "pkg:nginx/nginx@1.15.5",
+            "pkg:nginx/nginx@1.15.6",
+            "pkg:nginx/nginx@1.14.1",
+            "pkg:nginx/nginx@1.0.7",
+            "pkg:nginx/nginx@1.0.15",
+        ]
+
+    def test_package_view_with_valid_purl_without_version(self):
+        qs = PackageSearch().get_queryset(query="pkg:nginx/nginx")
+        pkgs = list(qs)
+        pkgs = [p.purl for p in pkgs]
+        assert pkgs == [
+            "pkg:nginx/nginx@0.6.18",
+            "pkg:nginx/nginx@1.20.0",
+            "pkg:nginx/nginx@1.21.0",
+            "pkg:nginx/nginx@1.20.1",
+            "pkg:nginx/nginx@1.9.5",
+            "pkg:nginx/nginx@1.17.2",
+            "pkg:nginx/nginx@1.17.3",
+            "pkg:nginx/nginx@1.16.1",
+            "pkg:nginx/nginx@1.15.5",
+            "pkg:nginx/nginx@1.15.6",
+            "pkg:nginx/nginx@1.14.1",
+            "pkg:nginx/nginx@1.0.7",
+            "pkg:nginx/nginx@1.0.15",
+        ]
+
+    def test_package_view_with_valid_purl_and_incomplete_version(self):
+        qs = PackageSearch().get_queryset(query="pkg:nginx/nginx@1")
+        pkgs = list(qs)
+        pkgs = [p.purl for p in pkgs]
+        assert pkgs == [
+            "pkg:nginx/nginx@1.20.0",
+            "pkg:nginx/nginx@1.21.0",
+            "pkg:nginx/nginx@1.20.1",
+            "pkg:nginx/nginx@1.9.5",
+            "pkg:nginx/nginx@1.17.2",
+            "pkg:nginx/nginx@1.17.3",
+            "pkg:nginx/nginx@1.16.1",
+            "pkg:nginx/nginx@1.15.5",
+            "pkg:nginx/nginx@1.15.6",
+            "pkg:nginx/nginx@1.14.1",
+            "pkg:nginx/nginx@1.0.7",
+            "pkg:nginx/nginx@1.0.15",
+        ]
+
 
 class VulnerabilitySearchTestCase(TestCase):
     def setUp(self):