diff --git a/include/constant.h b/include/constant.h
index fd4ce04..a1dbc16 100644
--- a/include/constant.h
+++ b/include/constant.h
@@ -12,7 +12,7 @@
 
 #define DIVERTER_TIMEOUT 6
 
-#define VERSION     "1.3.0-beta2"
+#define VERSION     "1.3.0-rc1"
 #define CONFIG_FILE "cleardns.yml"
 
 #define ADGUARD_USER   "admin"
diff --git a/src/utils/process.c b/src/utils/process.c
index 34ae3e9..a37f2cd 100644
--- a/src/utils/process.c
+++ b/src/utils/process.c
@@ -1,3 +1,7 @@
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE // NOLINT
+#endif
+
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/wait.h>