diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 9f88eb9..0b85048 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.0.20
+current_version = 0.0.21
 commit = True
 tag = True
 
@@ -7,9 +7,9 @@ tag = True
 search = version = "{current_version}"
 replace = version = "{new_version}"
 
-[bumpversion:file:filecheck/FileCheck.py]
-search = __version__ = '{current_version}'
-replace = __version__ = '{new_version}'
+[bumpversion:file:filecheck/filecheck.py]
+search = __version__ = "{current_version}"
+replace = __version__ = "{new_version}"
 
 [bumpversion:file:tests/integration/tests/py-only/version/sample.itest]
 search = Version: {current_version}
diff --git a/filecheck/filecheck.py b/filecheck/filecheck.py
index de0946c..c1a155e 100755
--- a/filecheck/filecheck.py
+++ b/filecheck/filecheck.py
@@ -9,7 +9,7 @@
 from difflib import SequenceMatcher
 from enum import Enum
 
-__version__ = "0.0.20"
+__version__ = "0.0.21"
 
 from typing import Optional, List, Iterable
 
diff --git a/pyproject.toml b/pyproject.toml
index 23bf982..24b9b53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "filecheck"
-version = "0.0.20"
+version = "0.0.21"
 description = "Python port of LLVM's FileCheck, flexible pattern matching file verifier"
 authors = ["Stanislav Pankevich <s.pankevich@gmail.com>"]
 
diff --git a/tests/integration/tests/py-only/version/sample.itest b/tests/integration/tests/py-only/version/sample.itest
index 8f2d64e..98db440 100644
--- a/tests/integration/tests/py-only/version/sample.itest
+++ b/tests/integration/tests/py-only/version/sample.itest
@@ -1,4 +1,4 @@
 RUN: %FILECHECK_EXEC --version | %FILECHECK_TESTER_EXEC %s --match-full-lines
 CHECK: {{^.*}}FileCheck{{(\.py)?$}}
-CHECK: Version: 0.0.20
+CHECK: Version: 0.0.21
 CHECK-EMPTY: