diff --git a/gradunwarp/core/globals.py b/gradunwarp/core/globals.py
index 55c0fe4..68923a6 100644
--- a/gradunwarp/core/globals.py
+++ b/gradunwarp/core/globals.py
@@ -6,7 +6,7 @@
 ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ##
 import logging
 
-VERSION = '1.2.2.dev'
+VERSION = '1.2.2'
 
 usage = '''
 gradient_unwarp infile outfile manufacturer -g <coefficient file> [optional arguments]
diff --git a/pyproject.toml b/pyproject.toml
index 00870ff..bc8ce8d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ requires = [
 build-backend = "setuptools.build_meta"
 
 [tool.bumpver]
-current_version = "1.2.2.dev"
+current_version = "1.2.2"
 version_pattern = "MAJOR.MINOR.PATCH[.TAG]"
 commit_message = "bump version {old_version} -> {new_version}"
 tag_message = "{new_version}"
diff --git a/version.txt b/version.txt
index 0d8f9ee..cc90463 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-v1.2.2.dev
+v1.2.2