diff --git a/gpu/src/enums.zig b/gpu/src/enums.zig
index 79f8a15c..31a7dfdd 100644
--- a/gpu/src/enums.zig
+++ b/gpu/src/enums.zig
@@ -255,6 +255,12 @@ pub const FrontFace = enum(u32) {
     cw = 0x00000001,
 };
 
+pub const IndexFormat = enum(u32) {
+    none = 0x00000000,
+    uint16 = 0x00000001,
+    uint32 = 0x00000002,
+};
+
 test "name" {
     try std.testing.expect(std.mem.eql(u8, @tagName(Feature.timestamp_query), "timestamp_query"));
 }
@@ -279,4 +285,5 @@ test "syntax" {
     _ = ErrorType;
     _ = FilterMode;
     _ = FrontFace;
+    _ = IndexFormat;
 }
diff --git a/gpu/src/main.zig b/gpu/src/main.zig
index ebcf6fe1..f0d70557 100644
--- a/gpu/src/main.zig
+++ b/gpu/src/main.zig
@@ -57,6 +57,7 @@ pub const ErrorFilter = @import("enums.zig").ErrorFilter;
 pub const ErrorType = @import("enums.zig").ErrorType;
 pub const FilterMode = @import("enums.zig").FilterMode;
 pub const FrontFace = @import("enums.zig").FrontFace;
+pub const IndexFormat = @import("enums.zig").IndexFormat;
 
 test "syntax" {
     _ = Interface;