diff --git a/scripts/randomx_boost.sh b/scripts/randomx_boost.sh
index f74b34b23..3b60959d9 100755
--- a/scripts/randomx_boost.sh
+++ b/scripts/randomx_boost.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh -e
 
 MSR_FILE=/sys/module/msr/parameters/allow_writes
 
@@ -8,9 +8,9 @@ else
 	modprobe msr allow_writes=on
 fi
 
-if cat /proc/cpuinfo | grep -E 'AMD Ryzen|AMD EPYC' > /dev/null;
+if grep -E 'AMD Ryzen|AMD EPYC' /proc/cpuinfo > /dev/null;
 	then
-	if cat /proc/cpuinfo | grep "cpu family[[:space:]]:[[:space:]]25" > /dev/null;
+	if grep "cpu family[[:space:]]:[[:space:]]25" /proc/cpuinfo > /dev/null;
 		then
 			echo "Detected Zen3 CPU"
 			wrmsr -a 0xc0011020 0x4480000000000
@@ -26,7 +26,7 @@ if cat /proc/cpuinfo | grep -E 'AMD Ryzen|AMD EPYC' > /dev/null;
 			wrmsr -a 0xc001102b 0x2000cc16
 			echo "MSR register values for Zen1/Zen2 applied"
 		fi
-elif cat /proc/cpuinfo | grep "Intel" > /dev/null;
+elif grep "Intel" /proc/cpuinfo > /dev/null;
 	then
 		echo "Detected Intel CPU"
 		wrmsr -a 0x1a4 0xf
diff --git a/src/version.h b/src/version.h
index 744b538e0..7641dc5c9 100644
--- a/src/version.h
+++ b/src/version.h
@@ -28,7 +28,7 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "6.13.0-dev"
+#define APP_VERSION   "6.13.0"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
 #define APP_COPYRIGHT "Copyright (C) 2016-2021 xmrig.com"