diff --git a/rubberband/RubberBandStretcher.h b/rubberband/RubberBandStretcher.h
index 10e4351..85bb6a6 100644
--- a/rubberband/RubberBandStretcher.h
+++ b/rubberband/RubberBandStretcher.h
@@ -24,7 +24,7 @@
 #ifndef RUBBERBAND_STRETCHER_H
 #define RUBBERBAND_STRETCHER_H
     
-#define RUBBERBAND_VERSION "3.0.0"
+#define RUBBERBAND_VERSION "3.1.0"
 #define RUBBERBAND_API_MAJOR_VERSION 2
 #define RUBBERBAND_API_MINOR_VERSION 7
 
diff --git a/rubberband/rubberband-c.h b/rubberband/rubberband-c.h
index 54433a5..fcae64c 100644
--- a/rubberband/rubberband-c.h
+++ b/rubberband/rubberband-c.h
@@ -28,7 +28,7 @@
 extern "C" {
 #endif
 
-#define RUBBERBAND_VERSION "3.0.0"
+#define RUBBERBAND_VERSION "3.1.0"
 #define RUBBERBAND_API_MAJOR_VERSION 2
 #define RUBBERBAND_API_MINOR_VERSION 7