diff --git a/upstream/debian.go b/upstream/debian.go
new file mode 100644
index 0000000..1be5a23
--- /dev/null
+++ b/upstream/debian.go
@@ -0,0 +1,36 @@
+package upstream
+
+import (
+	"fmt"
+	"net/url"
+	"regexp"
+
+	"github.com/go-errors/errors"
+)
+
+type debianVersion struct {
+	Version string `json:"version"`
+}
+
+type debianResponse struct {
+	Versions []debianVersion `json:"versions"`
+}
+
+type debian string
+
+func (d debian) releasesURL() string {
+	// API documentation: https://sources.debian.org/doc/api/
+	return fmt.Sprintf("https://sources.debian.org/api/src/%s/", url.PathEscape(string(d)))
+}
+
+func (d debian) latestVersion() (Version, error) {
+	var res debianResponse
+	if err := fetchJSON(d, &res); err != nil {
+		return "", errors.WrapPrefix(err, "No debian release found for "+string(d), 0)
+	}
+	match := regexp.MustCompile("([^-]+)[-|~]").FindStringSubmatch(res.Versions[0].Version)
+	if len(match) > 0 {
+		return Version(match[1]), nil
+	}
+	return Version(res.Versions[0].Version), nil
+}
diff --git a/upstream/debian_test.go b/upstream/debian_test.go
new file mode 100644
index 0000000..76da71c
--- /dev/null
+++ b/upstream/debian_test.go
@@ -0,0 +1,68 @@
+package upstream
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/h2non/gock"
+	"github.com/simon04/aur-out-of-date/pkg"
+)
+
+func mockDebian() *gock.Response {
+	return gock.New("https://sources.debian.org").
+		Get("/api/src/babeltrace/").
+		Reply(http.StatusOK).
+		SetHeader("Content-Type", "application/json").
+		BodyString(`
+			{
+				"package": "babeltrace",
+				"path": "babeltrace",
+				"pathl": [
+					[
+						"babeltrace",
+						"/src/babeltrace/"
+					]
+				],
+				"suite": "",
+				"type": "package",
+				"versions": [
+					{
+						"area": "main",
+						"suites": [
+							"buster",
+							"sid"
+						],
+						"version": "1.5.6-1"
+					},
+					{
+						"area": "main",
+						"suites": [
+							"stretch"
+						],
+						"version": "1.5.1-1"
+					},
+					{
+						"area": "main",
+						"suites": [
+							"jessie",
+							"jessie-kfreebsd"
+						],
+						"version": "1.2.3-2"
+					}
+				]
+			}`)
+}
+
+func TestDebianSource1(t *testing.T) {
+	defer gock.Off()
+	mockDebian()
+
+	p := pkg.New("babeltrace", "0", "", "http://debian.backend.mirrors.debian.org/debian/pool/main/b/babeltrace/python3-babeltrace_1.5.6-1_hurd-i386.deb")
+	version, err := VersionForPkg(p)
+	if err != nil {
+		t.Error(err)
+	}
+	if version != "1.5.6" {
+		t.Errorf("Expecting version 1.5.6, but got %v", version)
+	}
+}
diff --git a/upstream/version.go b/upstream/version.go
index 831bf6e..40892fc 100644
--- a/upstream/version.go
+++ b/upstream/version.go
@@ -81,6 +81,12 @@ func forURL(url string) (Version, error) {
 		if len(match) > 0 {
 			return gitLab{match[1], match[2], match[3]}.latestVersion()
 		}
+	case strings.Contains(url, "debian.org"):
+		// Example: http://ftp.debian.org/debian/pool/main/p/python3-defaults/python3-defaults_3.6.6-1.tar.gz
+		match := regexp.MustCompile("/debian/pool/(?:contrib|main|non-free)/[a-z]{1,4}/([^/#.]+)/[^/#]+(?:.tar|.deb)").FindStringSubmatch(url)
+		if len(match) > 0 {
+			return debian(match[1]).latestVersion()
+		}
 	}
 	return "", errors.Errorf("No release found for %s", url)
 }