diff --git a/clap/parsers.zig b/clap/parsers.zig
index 2bf8976..5750308 100644
--- a/clap/parsers.zig
+++ b/clap/parsers.zig
@@ -24,17 +24,46 @@ test "string" {
     try std.testing.expectEqualStrings("aa", try string("aa"));
 }
 
-/// A parser that uses `std.fmt.parseInt` to parse the string into an integer value.
-/// See `std.fmt.parseInt` documentation for more information.
+/// A parser that uses `std.fmt.parseInt` or `std.fmt.parseUnsigned` to parse the string into an integer value.
+/// See `std.fmt.parseInt` and `std.fmt.parseUnsigned` documentation for more information.
 pub fn int(comptime T: type, comptime base: u8) fn ([]const u8) std.fmt.ParseIntError!T {
     return struct {
         fn parse(in: []const u8) std.fmt.ParseIntError!T {
-            return std.fmt.parseInt(T, in, base);
+            return switch (@typeInfo(T).int.signedness) {
+                .signed => std.fmt.parseInt(T, in, base),
+                .unsigned => std.fmt.parseUnsigned(T, in, base),
+            };
         }
     }.parse;
 }
 
 test "int" {
+    try std.testing.expectEqual(@as(i8, 0), try int(i8, 10)("0"));
+    try std.testing.expectEqual(@as(i8, 1), try int(i8, 10)("1"));
+    try std.testing.expectEqual(@as(i8, 10), try int(i8, 10)("10"));
+    try std.testing.expectEqual(@as(i8, 0b10), try int(i8, 2)("10"));
+    try std.testing.expectEqual(@as(i8, 0x10), try int(i8, 0)("0x10"));
+    try std.testing.expectEqual(@as(i8, 0b10), try int(i8, 0)("0b10"));
+    try std.testing.expectEqual(@as(i16, 0), try int(i16, 10)("0"));
+    try std.testing.expectEqual(@as(i16, 1), try int(i16, 10)("1"));
+    try std.testing.expectEqual(@as(i16, 10), try int(i16, 10)("10"));
+    try std.testing.expectEqual(@as(i16, 0b10), try int(i16, 2)("10"));
+    try std.testing.expectEqual(@as(i16, 0x10), try int(i16, 0)("0x10"));
+    try std.testing.expectEqual(@as(i16, 0b10), try int(i16, 0)("0b10"));
+
+    try std.testing.expectEqual(@as(i8, 0), try int(i8, 10)("-0"));
+    try std.testing.expectEqual(@as(i8, -1), try int(i8, 10)("-1"));
+    try std.testing.expectEqual(@as(i8, -10), try int(i8, 10)("-10"));
+    try std.testing.expectEqual(@as(i8, -0b10), try int(i8, 2)("-10"));
+    try std.testing.expectEqual(@as(i8, -0x10), try int(i8, 0)("-0x10"));
+    try std.testing.expectEqual(@as(i8, -0b10), try int(i8, 0)("-0b10"));
+    try std.testing.expectEqual(@as(i16, 0), try int(i16, 10)("-0"));
+    try std.testing.expectEqual(@as(i16, -1), try int(i16, 10)("-1"));
+    try std.testing.expectEqual(@as(i16, -10), try int(i16, 10)("-10"));
+    try std.testing.expectEqual(@as(i16, -0b10), try int(i16, 2)("-10"));
+    try std.testing.expectEqual(@as(i16, -0x10), try int(i16, 0)("-0x10"));
+    try std.testing.expectEqual(@as(i16, -0b10), try int(i16, 0)("-0b10"));
+
     try std.testing.expectEqual(@as(u8, 0), try int(u8, 10)("0"));
     try std.testing.expectEqual(@as(u8, 1), try int(u8, 10)("1"));
     try std.testing.expectEqual(@as(u8, 10), try int(u8, 10)("10"));
@@ -47,6 +76,8 @@ test "int" {
     try std.testing.expectEqual(@as(u16, 0b10), try int(u16, 2)("10"));
     try std.testing.expectEqual(@as(u16, 0x10), try int(u16, 0)("0x10"));
     try std.testing.expectEqual(@as(u16, 0b10), try int(u16, 0)("0b10"));
+
+    try std.testing.expectEqual(std.fmt.ParseIntError.InvalidCharacter, int(u8, 10)("-10"));
 }
 
 /// A parser that uses `std.fmt.parseFloat` to parse the string into an float value.