diff --git a/ecosystem.go b/ecosystem.go
index 0ab806d..f9f6f49 100644
--- a/ecosystem.go
+++ b/ecosystem.go
@@ -29,13 +29,18 @@ var osvEcosystemNames = map[string]string{
 	"npm":           "npm",
 	"pypi":          "PyPI",
 	"cargo":         "crates.io",
+	"conan":         "ConanCenter",
+	"cran":          "CRAN",
 	"golang":        "Go",
+	"hackage":       "Hackage",
 	ecosystemMaven:  "Maven",
+	"julia":         "Julia",
 	"nuget":         "NuGet",
+	"opam":          "opam",
 	"composer":      "Packagist",
 	"hex":           "Hex",
 	"pub":           "Pub",
-	"cocoapods":     "CocoaPods",
+	"swift":         "SwiftURL",
 	"githubactions": "GitHub Actions",
 }
 
diff --git a/ecosystem_test.go b/ecosystem_test.go
index 707f21f..4121f03 100644
--- a/ecosystem_test.go
+++ b/ecosystem_test.go
@@ -91,15 +91,21 @@ func TestEcosystemToOSV(t *testing.T) {
 		{"gem", "RubyGems"},
 		{"pypi", "PyPI"},
 		{"cargo", "crates.io"},
+		{"conan", "ConanCenter"},
+		{"cran", "CRAN"},
 		{"golang", "Go"},
 		{"go", "Go"},
+		{"hackage", "Hackage"},
 		{"maven", "Maven"},
+		{"julia", "Julia"},
 		{"nuget", "NuGet"},
+		{"opam", "opam"},
 		{"packagist", "Packagist"},
 		{"composer", "Packagist"},
 		{"hex", "Hex"},
 		{"pub", "Pub"},
-		{"cocoapods", "CocoaPods"},
+		{"cocoapods", "cocoapods"}, // falls through: OSV rejects CocoaPods
+		{"swift", "SwiftURL"},
 		{"github-actions", "GitHub Actions"},
 		{"unknown", "unknown"}, // falls through
 	}
@@ -123,13 +129,19 @@ func TestPURLTypeToOSV(t *testing.T) {
 		{"npm", "npm", true},
 		{"pypi", "PyPI", true},
 		{"cargo", "crates.io", true},
+		{"conan", "ConanCenter", true},
+		{"cran", "CRAN", true},
 		{"golang", "Go", true},
+		{"hackage", "Hackage", true},
 		{"maven", "Maven", true},
+		{"julia", "Julia", true},
 		{"nuget", "NuGet", true},
+		{"opam", "opam", true},
 		{"composer", "Packagist", true},
 		{"hex", "Hex", true},
 		{"pub", "Pub", true},
-		{"cocoapods", "CocoaPods", true},
+		{"cocoapods", "", false},
+		{"swift", "SwiftURL", true},
 		{"githubactions", "GitHub Actions", true},
 		// Unknown types report ok=false with an empty string, unlike
 		// EcosystemToOSV which passes the input through.