diff --git a/arduino-core/src/processing/app/BaseNoGui.java b/arduino-core/src/processing/app/BaseNoGui.java
index e9adb255b3d..75bc781af1d 100644
--- a/arduino-core/src/processing/app/BaseNoGui.java
+++ b/arduino-core/src/processing/app/BaseNoGui.java
@@ -41,9 +41,9 @@
 public class BaseNoGui {
 
   /** Version string to be used for build */
-  public static final int REVISION = 10814;
+  public static final int REVISION = 10815;
   /** Extended version string displayed on GUI */
-  public static final String VERSION_NAME = "1.8.14";
+  public static final String VERSION_NAME = "1.8.15";
   public static final String VERSION_NAME_LONG;
 
   // Current directory to use for relative paths specified on the
diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index a7464ac7b98..c82b903882b 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -1,4 +1,7 @@
-ARDUINO 1.8.14 2020.05.12
+ARDUINO 1.8.15 2021.??.??
+
+
+ARDUINO 1.8.14 2021.05.12
 
 [ide]
 * Fix status bar custom board preferences disappearing (thanks @magedrifaat)