diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0db05f98..8fc0d326 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,6 +70,9 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQT_NO_DEPRECATED_WARNINGS=Y")
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQT_DISABLE_DEPRECATED_BEFORE=0x050C00")
 
+# Fix aarch64 build for toml++
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DTOML_ENABLE_FLOAT16=0")
+
 # set CXXFLAGS for build targets
 set(CMAKE_CXX_FLAGS_RELEASE "-O2 -D_FORTIFY_SOURCE=2 ${CMAKE_CXX_FLAGS_RELEASE}")
 
diff --git a/libraries/tomlplusplus b/libraries/tomlplusplus
index cc741c9f..0a90913a 160000
--- a/libraries/tomlplusplus
+++ b/libraries/tomlplusplus
@@ -1 +1 @@
-Subproject commit cc741c9f5f2a62856a2a2e9e275f61eb0591c09c
+Subproject commit 0a90913abf9390b9e08ab6d3b40ac11634553f38