diff --git a/src/hasp_debug.cpp b/src/hasp_debug.cpp
index ca648c60..c249ece5 100644
--- a/src/hasp_debug.cpp
+++ b/src/hasp_debug.cpp
@@ -29,7 +29,7 @@
 
 #if defined(POSIX)
 #include <unistd.h>
-#include <linux/limits.h>
+#include <limits.h>
 #define cwd getcwd
 #endif
 
diff --git a/src/main_pc.cpp b/src/main_pc.cpp
index 40431d75..8ad67fa3 100644
--- a/src/main_pc.cpp
+++ b/src/main_pc.cpp
@@ -18,7 +18,7 @@
 #include <netdb.h>
 #include <unistd.h>
 #include <fcntl.h>
-#include <linux/limits.h>
+#include <limits.h>
 #include <sys/types.h>
 #include <pwd.h>
 #define cwd getcwd
diff --git a/tools/osx_build_extra.py b/tools/osx_build_extra.py
index ae726458..a36fc387 100644
--- a/tools/osx_build_extra.py
+++ b/tools/osx_build_extra.py
@@ -1,7 +1,7 @@
 Import("env")
 
 #env.Replace(CC="gcc-10", CXX="g++-10")
-env.Replace(CC="gcc-12", CXX="g++-12")
+env.Replace(CC="gcc-13", CXX="g++-13")
 
 env.Replace(BUILD_SCRIPT="tools/osx_build_script.py")