diff --git a/rhubarb/CMakeLists.txt b/rhubarb/CMakeLists.txt
index 84d2b23..be20efc 100644
--- a/rhubarb/CMakeLists.txt
+++ b/rhubarb/CMakeLists.txt
@@ -28,10 +28,17 @@ endif()
 # Support legacy OS X versions
 set(CMAKE_OSX_DEPLOYMENT_TARGET "10.10" CACHE STRING "Minimum OS X deployment version")
 
-# Enable C++17
-set(CMAKE_CXX_STANDARD 17)
+# Enable C++23
+set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+# Disable char8_t support (see https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1423r3.html)
+if(compilerIsGccOrClang)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-char8_t")
+elseif(compilerIsMsvc)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:char8_t-")
+endif()
+
 # Enable POSIX threads
 if(compilerIsGccOrClang)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
diff --git a/rhubarb/src/audio/audio-file-reading.cpp b/rhubarb/src/audio/audio-file-reading.cpp
index 8976030..7adc1fc 100644
--- a/rhubarb/src/audio/audio-file-reading.cpp
+++ b/rhubarb/src/audio/audio-file-reading.cpp
@@ -7,7 +7,6 @@
 #include "ogg-vorbis-file-reader.h"
 #include "wave-file-reader.h"
 
-using fmt::format;
 using std::runtime_error;
 using std::string;
 using std::filesystem::path;
@@ -21,13 +20,13 @@ std::unique_ptr<AudioClip> createAudioFileClip(path filePath) {
         if (extension == ".ogg") {
             return std::make_unique<OggVorbisFileReader>(filePath);
         }
-        throw runtime_error(format(
+        throw runtime_error(fmt::format(
             "Unsupported file extension '{}'. Supported extensions are '.wav' and '.ogg'.",
             extension
         ));
     } catch (...) {
         std::throw_with_nested(
-            runtime_error(format("Could not open sound file {}.", filePath.u8string()))
+            runtime_error(fmt::format("Could not open sound file {}.", filePath.u8string()))
         );
     }
 }