diff --git a/src/convert.rs b/src/convert.rs
index 93631ad8b28cf068d66f783b75e18f61b93c1844..980f68f72ced8458a42975ae0989c081952d9e19 100644
--- a/src/convert.rs
+++ b/src/convert.rs
@@ -93,6 +93,24 @@ impl IntoAttributeValue for usize {
     }
 }
 
+impl IntoAttributeValue for u32 {
+    fn into_attribute_value(self) -> Option<String> {
+        Some(format!("{}", self))
+    }
+}
+
+impl IntoAttributeValue for u16 {
+    fn into_attribute_value(self) -> Option<String> {
+        Some(format!("{}", self))
+    }
+}
+
+impl IntoAttributeValue for u8 {
+    fn into_attribute_value(self) -> Option<String> {
+        Some(format!("{}", self))
+    }
+}
+
 impl IntoAttributeValue for String {
     fn into_attribute_value(self) -> Option<String> {
         Some(self)