diff --git a/lib/lib.dom.d.ts b/lib/lib.dom.d.ts
index 464dea83926b4..ad6b04ea64077 100644
--- a/lib/lib.dom.d.ts
+++ b/lib/lib.dom.d.ts
@@ -15956,7 +15956,7 @@ interface WebGLRenderingContextBase {
     isTexture(texture: WebGLTexture | null): GLboolean;
     lineWidth(width: GLfloat): void;
     linkProgram(program: WebGLProgram): void;
-    pixelStorei(pname: GLenum, param: GLint): void;
+    pixelStorei(pname: GLenum, param: GLint | GLboolean): void;
     polygonOffset(factor: GLfloat, units: GLfloat): void;
     readPixels(x: GLint, y: GLint, width: GLsizei, height: GLsizei, format: GLenum, type: GLenum, pixels: ArrayBufferView | null): void;
     renderbufferStorage(target: GLenum, internalformat: GLenum, width: GLsizei, height: GLsizei): void;