WiringPi: Bump up version to 3.1

Signed-off-by: Deokgyu Yang <secugyu@gmail.com>
Change-Id: Ieab47180823f028b7c67ed56e24e6b72ae6d7f8c
diff --git a/VERSION b/VERSION
index f398a20..06a4457 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.0
\ No newline at end of file
+3.1
\ No newline at end of file
diff --git a/debian/changelog b/debian/changelog
index 2e4dcf8..17ed689 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+odroid-wiringpi (9:3.1) stable; urgency=medium
+
+  * debian: Add explicit package dependency
+
+ -- Deokgyu Yang <secugyu@gmail.com>  Tue, 21 Apr 2020 11:34:20 +0900
+
 odroid-wiringpi (9:3.0) stable; urgency=medium
 
   * WiringPi: Bump up version to 3.0
diff --git a/version.h b/version.h
index 8a8d78b..7416832 100644
--- a/version.h
+++ b/version.h
@@ -1,3 +1,3 @@
-#define VERSION "3.0"
+#define VERSION "3.1"
 #define VERSION_MAJOR 3
-#define VERSION_MINOR "0"
+#define VERSION_MINOR "1"