diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb7473c1..4c0e9d18 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -246,7 +246,7 @@ set(spirv-cross-util-sources
 		${CMAKE_CURRENT_SOURCE_DIR}/spirv_cross_util.hpp)
 
 set(spirv-cross-abi-major 0)
-set(spirv-cross-abi-minor 63)
+set(spirv-cross-abi-minor 64)
 set(spirv-cross-abi-patch 0)
 set(SPIRV_CROSS_VERSION ${spirv-cross-abi-major}.${spirv-cross-abi-minor}.${spirv-cross-abi-patch})
 
diff --git a/spirv_cross_c.cpp b/spirv_cross_c.cpp
index b5fa5895..71bc7b57 100644
--- a/spirv_cross_c.cpp
+++ b/spirv_cross_c.cpp
@@ -522,6 +522,10 @@ spvc_result spvc_compiler_options_set_uint(spvc_compiler_options options, spvc_c
 	case SPVC_COMPILER_OPTION_HLSL_USE_ENTRY_POINT_NAME:
 		options->hlsl.use_entry_point_name = value != 0;
 		break;
+
+	case SPVC_COMPILER_OPTION_HLSL_PRESERVE_STRUCTURED_BUFFERS:
+		options->hlsl.preserve_structured_buffers = value != 0;
+		break;
 #endif
 
 #if SPIRV_CROSS_C_API_MSL
diff --git a/spirv_cross_c.h b/spirv_cross_c.h
index 749d60e5..a414c46b 100644
--- a/spirv_cross_c.h
+++ b/spirv_cross_c.h
@@ -40,7 +40,7 @@ extern "C" {
 /* Bumped if ABI or API breaks backwards compatibility. */
 #define SPVC_C_API_VERSION_MAJOR 0
 /* Bumped if APIs or enumerations are added in a backwards compatible way. */
-#define SPVC_C_API_VERSION_MINOR 63
+#define SPVC_C_API_VERSION_MINOR 64
 /* Bumped if internal implementation details change. */
 #define SPVC_C_API_VERSION_PATCH 0
 
@@ -746,6 +746,7 @@ typedef enum spvc_compiler_option
 	SPVC_COMPILER_OPTION_MSL_FORCE_FRAGMENT_WITH_SIDE_EFFECTS_EXECUTION = 89 | SPVC_COMPILER_OPTION_MSL_BIT,
 
 	SPVC_COMPILER_OPTION_HLSL_USE_ENTRY_POINT_NAME = 90 | SPVC_COMPILER_OPTION_HLSL_BIT,
+	SPVC_COMPILER_OPTION_HLSL_PRESERVE_STRUCTURED_BUFFERS = 91 | SPVC_COMPILER_OPTION_HLSL_BIT,
 
 	SPVC_COMPILER_OPTION_INT_MAX = 0x7fffffff
 } spvc_compiler_option;