diff --git a/templates/api/packages/pypi/simple.tmpl b/templates/api/packages/pypi/simple.tmpl
index 77cb03560..85aa730c7 100644
--- a/templates/api/packages/pypi/simple.tmpl
+++ b/templates/api/packages/pypi/simple.tmpl
@@ -4,11 +4,12 @@
 		<title>Links for {{.PackageDescriptor.Package.Name}}</title>
 	</head>
 	<body>
+		{{- /* PEP 503 – Simple Repository API: https://peps.python.org/pep-0503/ */ -}}
 		<h1>Links for {{.PackageDescriptor.Package.Name}}</h1>
 		{{range .PackageDescriptors}}
-			{{$p := .}}
+			{{$pd := .}}
 			{{range .Files}}
-				<a href="{{$.RegistryURL}}/files/{{$p.Package.LowerName}}/{{$p.Version.Version}}/{{.File.Name}}#sha256-{{.Blob.HashSHA256}}"{{if $p.Metadata.RequiresPython}} data-requires-python="{{$p.Metadata.RequiresPython}}"{{end}}>{{.File.Name}}</a><br>
+				<a href="{{$.RegistryURL}}/files/{{$pd.Package.LowerName}}/{{$pd.Version.Version}}/{{.File.Name}}#sha256={{.Blob.HashSHA256}}"{{if $pd.Metadata.RequiresPython}} data-requires-python="{{$pd.Metadata.RequiresPython}}"{{end}}>{{.File.Name}}</a><br>
 			{{end}}
 		{{end}}
 	</body>
diff --git a/tests/integration/api_packages_pypi_test.go b/tests/integration/api_packages_pypi_test.go
index a090b31e2..e973f6a52 100644
--- a/tests/integration/api_packages_pypi_test.go
+++ b/tests/integration/api_packages_pypi_test.go
@@ -164,7 +164,7 @@ func TestPackagePyPI(t *testing.T) {
 		nodes := htmlDoc.doc.Find("a").Nodes
 		assert.Len(t, nodes, 2)
 
-		hrefMatcher := regexp.MustCompile(fmt.Sprintf(`%s/files/%s/%s/test\..+#sha256-%s`, root, regexp.QuoteMeta(packageName), regexp.QuoteMeta(packageVersion), hashSHA256))
+		hrefMatcher := regexp.MustCompile(fmt.Sprintf(`%s/files/%s/%s/test\..+#sha256=%s`, root, regexp.QuoteMeta(packageName), regexp.QuoteMeta(packageVersion), hashSHA256))
 
 		for _, a := range nodes {
 			for _, att := range a.Attr {
