diff --git a/Docs/MoltenVK_Runtime_UserGuide.md b/Docs/MoltenVK_Runtime_UserGuide.md
index aee9bfa9..c383c6e2 100644
--- a/Docs/MoltenVK_Runtime_UserGuide.md
+++ b/Docs/MoltenVK_Runtime_UserGuide.md
@@ -377,6 +377,8 @@ In addition to core *Vulkan* functionality, **MoltenVK**  also supports the foll
 - `VK_EXT_shader_atomic_float` *(requires Metal 3.0)*
 - `VK_EXT_shader_demote_to_helper_invocation` *(requires Metal Shading Language 2.3)*
 - `VK_EXT_shader_stencil_export` *(requires Mac GPU family 2 or iOS GPU family 5)*
+- `VK_EXT_shader_subgroup_ballot` *(requires Mac GPU family 2 or Apple GPU family 4)*
+- `VK_EXT_shader_subgroup_vote` *(requires Mac GPU family 2 or Apple GPU family 4)*
 - `VK_EXT_shader_viewport_index_layer`
 - `VK_EXT_subgroup_size_control` *(requires Metal 2.1 on Mac or Metal 2.2 and Apple family 4 on iOS)*
 - `VK_EXT_surface_maintenance1`
diff --git a/Docs/Whats_New.md b/Docs/Whats_New.md
index 565c96a1..4fcf9f63 100644
--- a/Docs/Whats_New.md
+++ b/Docs/Whats_New.md
@@ -22,6 +22,8 @@ Released TBD
 	- `VK_EXT_4444_formats`
 	- `VK_EXT_calibrated_timestamps`
 	- `VK_EXT_shader_demote_to_helper_invocation`
+	- `VK_EXT_shader_subgroup_ballot`
+	- `VK_EXT_shader_subgroup_vote`
 - Ensure non-dispatch compute commands don't interfere with compute encoding state used by dispatch commands.
 - Support `VK_PRESENT_MODE_IMMEDIATE_KHR` if `VkPresentTimeGOOGLE::desiredPresentTime` is zero.
 - Support maximizing the concurrent executing compilation tasks via `MVKConfiguration::shouldMaximizeConcurrentCompilation`
diff --git a/ExternalRevisions/SPIRV-Cross_repo_revision b/ExternalRevisions/SPIRV-Cross_repo_revision
index 6f1034c8..ce73e44a 100644
--- a/ExternalRevisions/SPIRV-Cross_repo_revision
+++ b/ExternalRevisions/SPIRV-Cross_repo_revision
@@ -1 +1 @@
-55750be7886a96008b964e75e1eb4a5a6c369a2a
+aafcc207ea82308722124db2575aa95f42cb99c9
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
index f18470bc..623fab99 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
@@ -3112,6 +3112,8 @@ void MVKPhysicalDevice::initExtensions() {
 	}
 	if (!_metalFeatures.simdPermute && !_metalFeatures.quadPermute) {
 		pWritableExtns->vk_KHR_shader_subgroup_extended_types.enabled = false;
+		pWritableExtns->vk_EXT_shader_subgroup_ballot.enabled = false;
+		pWritableExtns->vk_EXT_shader_subgroup_vote.enabled = false;
 	}
 	if (!_metalFeatures.shaderBarycentricCoordinates) {
 		pWritableExtns->vk_KHR_fragment_shader_barycentric.enabled = false;
diff --git a/MoltenVK/MoltenVK/Layers/MVKExtensions.def b/MoltenVK/MoltenVK/Layers/MVKExtensions.def
index 37461e62..6bd5c9a1 100644
--- a/MoltenVK/MoltenVK/Layers/MVKExtensions.def
+++ b/MoltenVK/MoltenVK/Layers/MVKExtensions.def
@@ -120,6 +120,8 @@ MVK_EXTENSION(EXT_separate_stencil_usage,             EXT_SEPARATE_STENCIL_USAGE
 MVK_EXTENSION(EXT_shader_atomic_float,                EXT_SHADER_ATOMIC_FLOAT,                DEVICE,   13.0,  16.0)
 MVK_EXTENSION(EXT_shader_demote_to_helper_invocation, EXT_SHADER_DEMOTE_TO_HELPER_INVOCATION, DEVICE,   11.0,  14.0)
 MVK_EXTENSION(EXT_shader_stencil_export,              EXT_SHADER_STENCIL_EXPORT,              DEVICE,   10.14, 12.0)
+MVK_EXTENSION(EXT_shader_subgroup_ballot,             EXT_SHADER_SUBGROUP_BALLOT,             DEVICE,   10.14, 13.0)
+MVK_EXTENSION(EXT_shader_subgroup_vote,               EXT_SHADER_SUBGROUP_VOTE,               DEVICE,   10.14, 13.0)
 MVK_EXTENSION(EXT_shader_viewport_index_layer,        EXT_SHADER_VIEWPORT_INDEX_LAYER,        DEVICE,   10.11,  8.0)
 MVK_EXTENSION(EXT_subgroup_size_control,              EXT_SUBGROUP_SIZE_CONTROL,              DEVICE,   10.14, 13.0)
 MVK_EXTENSION(EXT_surface_maintenance1,               EXT_SURFACE_MAINTENANCE_1,              INSTANCE, 10.11,  8.0)