diff --git a/DEPS b/DEPS
index 80b67dc3a..d6242d815 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@ vars = {
   'effcee_revision': '35912e1b7778ec2ddcff7e7188177761539e59e0',
   'googletest_revision': 'd9bb8412d60b993365abb53f00b6dad9b2c01b62',
   're2_revision': 'd2836d1b1c34c4e330a85a1006201db474bf2c8a',
-  'spirv_headers_revision': '1d31a100405cf8783ca7a31e31cdd727c9fc54c3',
+  'spirv_headers_revision': '34d04647d384e0aed037e7a2662a655fc39841bb',
 }
 
 deps = {
diff --git a/test/cpp_interface_test.cpp b/test/cpp_interface_test.cpp
index 5d1169828..222f44f60 100644
--- a/test/cpp_interface_test.cpp
+++ b/test/cpp_interface_test.cpp
@@ -322,6 +322,36 @@ TEST(CppInterface, OptimizeSameAddressForOriginalOptimizedBinary) {
   EXPECT_EQ(Header(), optimized_text);
 }
 
+TEST(SpirvHeadersCpp, BitwiseOrMemoryAccessMask) {
+  EXPECT_EQ(spv::MemoryAccessMask(6), spv::MemoryAccessMask::Aligned |
+                                          spv::MemoryAccessMask::Nontemporal);
+}
+
+TEST(SpirvHeadersCpp, BitwiseAndMemoryAccessMask) {
+  EXPECT_EQ(spv::MemoryAccessMask::Aligned,
+            spv::MemoryAccessMask::Aligned & spv::MemoryAccessMask(6));
+  EXPECT_EQ(spv::MemoryAccessMask::Nontemporal,
+            spv::MemoryAccessMask::Nontemporal & spv::MemoryAccessMask(6));
+  EXPECT_EQ(spv::MemoryAccessMask(0), spv::MemoryAccessMask::Nontemporal &
+                                          spv::MemoryAccessMask::Aligned);
+}
+
+TEST(SpirvHeadersCpp, BitwiseXorMemoryAccessMask) {
+  EXPECT_EQ(spv::MemoryAccessMask::Nontemporal,
+            spv::MemoryAccessMask::Aligned ^ spv::MemoryAccessMask(6));
+  EXPECT_EQ(spv::MemoryAccessMask::Aligned,
+            spv::MemoryAccessMask::Nontemporal ^ spv::MemoryAccessMask(6));
+  EXPECT_EQ(spv::MemoryAccessMask(6), spv::MemoryAccessMask::Nontemporal ^
+                                          spv::MemoryAccessMask::Aligned);
+  EXPECT_EQ(spv::MemoryAccessMask(0), spv::MemoryAccessMask::Nontemporal ^
+                                          spv::MemoryAccessMask::Nontemporal);
+}
+
+TEST(SpirvHeadersCpp, BitwiseNegateMemoryAccessMask) {
+  EXPECT_EQ(spv::MemoryAccessMask(~(uint32_t(4))),
+            ~spv::MemoryAccessMask::Nontemporal);
+}
+
 // TODO(antiagainst): tests for SetMessageConsumer().
 
 }  // namespace