diff --git a/src/libANGLE/renderer/metal/mtl_common.h b/src/libANGLE/renderer/metal/mtl_common.h
index 434a8b56faa..639fc555c19 100644
--- a/src/libANGLE/renderer/metal/mtl_common.h
+++ b/src/libANGLE/renderer/metal/mtl_common.h
@@ -99,7 +99,7 @@ constexpr uint32_t kMaxColorTargetBitsApple1To3      = 256;
 constexpr uint32_t kMaxColorTargetBitsApple4Plus     = 512;
 constexpr uint32_t kMaxColorTargetBitsMacAndCatalyst = std::numeric_limits<uint32_t>::max();
 
-constexpr uint32_t kMaxShaderUBOs = 12;
+constexpr uint32_t kMaxShaderUBOs = 14;
 constexpr uint32_t kMaxUBOSize    = 16384;
 
 constexpr uint32_t kMaxShaderXFBs = gl::IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS;