diff --git a/src/lib.rs b/src/lib.rs
index 7c5680b..025846a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -772,6 +772,8 @@ pub trait HasContext {
 
     unsafe fn vertex_attrib_4_f32(&self, index: u32, x: f32, y: f32, z: f32, w: f32);
 
+    unsafe fn vertex_attrib_i_4_ui(&self, index: u32, x: u32, y: u32, z: u32, w: u32);
+
     unsafe fn vertex_attrib_1_f32_slice(&self, index: u32, v: &[f32]);
 
     unsafe fn vertex_attrib_2_f32_slice(&self, index: u32, v: &[f32]);
diff --git a/src/native.rs b/src/native.rs
index 0811784..2aab0ed 100644
--- a/src/native.rs
+++ b/src/native.rs
@@ -1715,6 +1715,11 @@ impl HasContext for Context {
         gl.VertexAttrib4f(index, x, y, z, w);
     }
 
+    unsafe fn vertex_attrib_i_4_ui(&self, index: u32, x: u32, y: u32, z: u32, w: u32) {
+        let gl = &self.raw;
+        gl.VertexAttribI4ui(index, x, y, z, w);
+    }
+
     unsafe fn vertex_attrib_1_f32_slice(&self, index: u32, v: &[f32]) {
         let gl = &self.raw;
         gl.VertexAttrib1fv(index, v.as_ptr());
diff --git a/src/web_sys.rs b/src/web_sys.rs
index 7d9ce17..a584783 100644
--- a/src/web_sys.rs
+++ b/src/web_sys.rs
@@ -2685,6 +2685,13 @@ impl HasContext for Context {
         }
     }
 
+    unsafe fn vertex_attrib_i_4_ui(&self, index: u32, x: u32, y: u32, z: u32, w: u32) {
+        match self.raw {
+            RawRenderingContext::WebGl1(ref _gl) => panic!("glVertexAttribI4ui not supported"),
+            RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib_i4ui(index, x, y, z, w),
+        }
+    }
+
     unsafe fn vertex_attrib_1_f32_slice(&self, index: u32, v: &[f32]) {
         match self.raw {
             RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib1fv_with_f32_array(index, v),