diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad9222f..1b8fbce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+# Version 1.3.1 (2019-10-24)
+  * Do drive detection at script start to fix erorrs on specific SAS controllers (LSI 9305)
+
 # Version 1.3 (2019-10-09)
   * Introduce manual mode [-m] to disable automatic drive detection
   * Improve script description in print_usage() block
diff --git a/spindown_timer.sh b/spindown_timer.sh
index 88dc5c6..6dcd7ca 100755
--- a/spindown_timer.sh
+++ b/spindown_timer.sh
@@ -4,7 +4,7 @@
 # FreeNAS HDD Spindown Timer
 # Monitors drive I/O and forces HDD spindown after a given idle period.
 #
-# Version: 1.3
+# Version: 1.3.1
 #
 # See: https://github.com/ngandrass/freenas-spindown-timer
 #