diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index b094c68b..ff0053cb 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -201,6 +201,14 @@
 #  endif // __has_include(<optional>) && defined(CATCH_CPP17_OR_GREATER)
 #endif // __has_include
 
+////////////////////////////////////////////////////////////////////////////////
+// Check if byte is available and usable
+#if defined(__has_include)
+#  if __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
+#    define CATCH_INTERNAL_CONFIG_CPP17_BYTE
+#  endif // __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
+#endif // __has_include
+
 ////////////////////////////////////////////////////////////////////////////////
 // Check if variant is available and usable
 #if defined(__has_include)
@@ -256,6 +264,11 @@
 #  define CATCH_CONFIG_CPP17_VARIANT
 #endif
 
+#if defined(CATCH_INTERNAL_CONFIG_CPP17_BYTE) && !defined(CATCH_CONFIG_NO_CPP17_BYTE) && !defined(CATCH_CONFIG_CPP17_BYTE)
+#  define CATCH_CONFIG_CPP17_BYTE
+#endif
+
+
 #if defined(CATCH_CONFIG_EXPERIMENTAL_REDIRECT)
 #  define CATCH_INTERNAL_CONFIG_NEW_CAPTURE
 #endif
diff --git a/include/internal/catch_tostring.cpp b/include/internal/catch_tostring.cpp
index f59676e7..2f66f49d 100644
--- a/include/internal/catch_tostring.cpp
+++ b/include/internal/catch_tostring.cpp
@@ -170,6 +170,12 @@ std::string StringMaker<wchar_t *>::convert(wchar_t * str) {
 }
 #endif
 
+#if defined(CATCH_CONFIG_CPP17_BYTE)
+#include <cstddef>
+std::string StringMaker<std::byte>::convert(std::byte value) {
+    return ::Catch::Detail::stringify(std::to_integer<unsigned long long>(value));
+}
+#endif // defined(CATCH_CONFIG_CPP17_BYTE)
 
 std::string StringMaker<int>::convert(int value) {
     return ::Catch::Detail::stringify(static_cast<long long>(value));
diff --git a/include/internal/catch_tostring.h b/include/internal/catch_tostring.h
index cb248ea9..b9f9cd9c 100644
--- a/include/internal/catch_tostring.h
+++ b/include/internal/catch_tostring.h
@@ -210,6 +210,12 @@ namespace Catch {
         }
     };
 
+#if defined(CATCH_CONFIG_CPP17_BYTE)
+    template<>
+    struct StringMaker<std::byte> {
+        static std::string convert(std::byte value);
+    };
+#endif // defined(CATCH_CONFIG_CPP17_BYTE)
     template<>
     struct StringMaker<int> {
         static std::string convert(int value);
diff --git a/projects/CMakeLists.txt b/projects/CMakeLists.txt
index fc255cd2..ee8f1013 100644
--- a/projects/CMakeLists.txt
+++ b/projects/CMakeLists.txt
@@ -36,6 +36,7 @@ set(TEST_SOURCES
         ${SELF_TEST_DIR}/UsageTests/Generators.tests.cpp
         ${SELF_TEST_DIR}/UsageTests/Message.tests.cpp
         ${SELF_TEST_DIR}/UsageTests/Misc.tests.cpp
+        ${SELF_TEST_DIR}/UsageTests/ToStringByte.tests.cpp
         ${SELF_TEST_DIR}/UsageTests/ToStringChrono.tests.cpp
         ${SELF_TEST_DIR}/UsageTests/ToStringGeneral.tests.cpp
         ${SELF_TEST_DIR}/UsageTests/ToStringOptional.tests.cpp
diff --git a/projects/SelfTest/UsageTests/ToStringByte.tests.cpp b/projects/SelfTest/UsageTests/ToStringByte.tests.cpp
new file mode 100644
index 00000000..0aad679f
--- /dev/null
+++ b/projects/SelfTest/UsageTests/ToStringByte.tests.cpp
@@ -0,0 +1,15 @@
+#include "catch.hpp"
+
+#if defined(CATCH_CONFIG_CPP17_BYTE)
+
+TEST_CASE( "std::byte -> toString", "[toString][byte][approvals]" ) {
+    using type = std::byte;
+    REQUIRE( "0" == ::Catch::Detail::stringify( type{ 0 } ) );
+}
+
+TEST_CASE( "std::vector<std::byte> -> toString", "[toString][byte][approvals]" ) {
+    using type = std::vector<std::byte>;
+    REQUIRE( "{ 0, 1, 2 }" == ::Catch::Detail::stringify( type{ std::byte{0}, std::byte{1}, std::byte{2} } ) );
+}
+
+#endif // CATCH_INTERNAL_CONFIG_CPP17_BYTE