diff --git a/VERSION b/VERSION
index d8263ee..415b19f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2
\ No newline at end of file
+2.0
\ No newline at end of file
diff --git a/cpp/StftPitchShift/Version.h b/cpp/StftPitchShift/Version.h
index 3b590b0..486a0ff 100755
--- a/cpp/StftPitchShift/Version.h
+++ b/cpp/StftPitchShift/Version.h
@@ -4,5 +4,5 @@
 
 namespace stftpitchshift
 {
-  const std::string StftPitchShiftVersion = "2";
+  const std::string StftPitchShiftVersion = "2.0";
 }
diff --git a/python/stftpitchshift/__init__.py b/python/stftpitchshift/__init__.py
index 4a5f4d7..f7e8da0 100644
--- a/python/stftpitchshift/__init__.py
+++ b/python/stftpitchshift/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "2"
+__version__ = "2.0"
 
 from stftpitchshift.stftpitchshift import StftPitchShift