diff --git a/index.js b/index.js
index 23608913..ce92a428 100644
--- a/index.js
+++ b/index.js
@@ -21,6 +21,8 @@ function is(x) {
         "trzynaście", // Polish
         "trece", // Spanish
         "tredici", // Italian
+        "dreizehn", // German
+        "שלוש עשרה", // Hebrew
         "13+0i", //Imaginary 13's
         "13 + 13i",
         "13i"
diff --git a/test.js b/test.js
index 6d470d97..6b94e836 100644
--- a/test.js
+++ b/test.js
@@ -9,6 +9,8 @@ tap.equal(isThirteen('13', false), true);
 
 tap.equal(isThirteen('thirteen'), true);
 tap.equal(isThirteen('Thirteen'), true);
+tap.equal(isThirteen('dreizehn'), true);
+tap.equal(isThirteen('שלוש עשרה'), true);
 tap.equal(isThirteen('Remy Hadley'), true);
 
 tap.equal(isThirteen('https://scontent.cdninstagram.com/hphotos-xtf1/t51.2885-15/s320x320/e35/12237511_444845689040315_1101385461_n.jpg'), true);