diff --git a/package/msgpack/Config.in b/package/msgpack/Config.in
index daa4fddc6f..b380c58f03 100644
--- a/package/msgpack/Config.in
+++ b/package/msgpack/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_MSGPACK
 	bool "msgpack"
 	depends on BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_arc # atomic builtins
 	help
 	  MessagePack is an efficient binary serialization format.
 
@@ -11,3 +12,4 @@ config BR2_PACKAGE_MSGPACK
 
 comment "msgpack needs a toolchain w/ C++"
 	depends on !BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_arc
diff --git a/package/python-msgpack/Config.in b/package/python-msgpack/Config.in
index 2075ee6c15..c4b68a3405 100644
--- a/package/python-msgpack/Config.in
+++ b/package/python-msgpack/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_PYTHON_MSGPACK
 	depends on BR2_PACKAGE_PYTHON
 	select BR2_PACKAGE_MSGPACK
 	depends on BR2_INSTALL_LIBSTDCPP # msgpack
+	depends on !BR2_arc # msgpack - atomic builtins
 	help
 	  MessagePack (http://msgpack.org/) is a fast, compact binary
 	  serialization format, suitable for similar data to JSON.
@@ -14,3 +15,4 @@ config BR2_PACKAGE_PYTHON_MSGPACK
 comment "python-msgpack needs a toolchain w/ C++"
 	depends on BR2_PACKAGE_PYTHON
 	depends on !BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_arc