diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..f47b6be
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+MsSpec-1.6
\ No newline at end of file
diff --git a/src/msspec/__init__.py b/src/msspec/__init__.py
index 5a8aed2..01ed571 100644
--- a/src/msspec/__init__.py
+++ b/src/msspec/__init__.py
@@ -1 +1,3 @@
-__version__ = '1.5post1'
+# Auto-generated file, do not edit
+__version__ = "1.6"
+__sha__ = "$Id$"
diff --git a/src/msspec/msspecgui/__init__.py b/src/msspec/msspecgui/__init__.py
index 5a8aed2..01ed571 100644
--- a/src/msspec/msspecgui/__init__.py
+++ b/src/msspec/msspecgui/__init__.py
@@ -1 +1,3 @@
-__version__ = '1.5post1'
+# Auto-generated file, do not edit
+__version__ = "1.6"
+__sha__ = "$Id$"