diff --git a/internal/provider/gems/gems.go b/internal/provider/gems/gems.go
index 64ae038..39d324e 100644
--- a/internal/provider/gems/gems.go
+++ b/internal/provider/gems/gems.go
@@ -33,6 +33,9 @@ func (p *Provider) ContentType(path string) string {
 	if path == "versions" || path == "names" || strings.HasPrefix(path, "info/") {
 		return "text/plain; charset=utf-8"
 	}
+	if strings.HasPrefix(path, "api/v1/") && strings.HasSuffix(path, ".json") {
+		return "application/json"
+	}
 	return "application/octet-stream"
 }
 
diff --git a/internal/provider/gems/gems_test.go b/internal/provider/gems/gems_test.go
index 297d99f..9707bb3 100644
--- a/internal/provider/gems/gems_test.go
+++ b/internal/provider/gems/gems_test.go
@@ -36,11 +36,14 @@ func TestClassify(t *testing.T) {
 func TestContentType(t *testing.T) {
 	p := &Provider{}
 	tests := map[string]string{
-		"versions":            "text/plain; charset=utf-8",
-		"info/rack":           "text/plain; charset=utf-8",
-		"names":               "text/plain; charset=utf-8",
-		"gems/rack-3.1.8.gem": "application/octet-stream",
-		"specs.4.8.gz":        "application/octet-stream",
+		"versions":                 "text/plain; charset=utf-8",
+		"info/rack":                "text/plain; charset=utf-8",
+		"names":                    "text/plain; charset=utf-8",
+		"gems/rack-3.1.8.gem":      "application/octet-stream",
+		"specs.4.8.gz":             "application/octet-stream",
+		"api/v1/gems/rack.json":    "application/json",
+		"api/v1/dependencies.json": "application/json",
+		"api/v1/dependencies":      "application/octet-stream",
 	}
 	for path, want := range tests {
 		if got := p.ContentType(path); got != want {