diff --git a/.ci/win-ci-tools.psm1 b/.ci/win-ci-tools.psm1
index 19869b11..2d63a637 100644
--- a/.ci/win-ci-tools.psm1
+++ b/.ci/win-ci-tools.psm1
@@ -299,7 +299,7 @@ function EnableExtension {
 
     Copy-Item -Path "${env:RELEASE_DLL_PATH}" -Destination "${env:PHPROOT}\ext\"
 
-    Enable-PhpExtension -Extension 'Zephir Parser' -Path "${env:PHPROOT}"
+    Enable-PhpExtension -Extension zephir_parser -Path "${env:PHPROOT}"
 }
 
 function PrepareReleasePackage {
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d8d4722e..7faf9ccc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -165,7 +165,7 @@ jobs:
       - name: Run Tests
         if: matrix.arch == 'x64'
         run: |
-          & ${env:TEST_PHP_EXECUTABLE} --ri 'Zephir Parser'
+          & ${env:TEST_PHP_EXECUTABLE} --ri zephir_parser
           & ${env:TEST_PHP_EXECUTABLE} run-tests.php
 
       - name: Prepare Release Package
@@ -321,7 +321,7 @@ jobs:
 
       - name: Run Tests
         run: |
-          php -d extension=./modules/zephir_parser.so --ri 'Zephir Parser'
+          php -d extension=./modules/zephir_parser.so --ri zephir_parser
           make test NO_INTERACTION=1 REPORT_EXIT_STATUS=1
 
       - name: Print failures
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f777c233..721e6398 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [1.4.1] - 2021-09-18
+### Changed
+- Renamed extension name from `Zephir Parser` to `zephir_parser` [#125](https://github.com/phalcon/php-zephir-parser/issues/125)
+
 ## [1.4.0] - 2021-09-18
 ### Added
 - Added support for `mixed` type [#120](https://github.com/phalcon/php-zephir-parser/issues/120)
@@ -173,7 +177,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
  - Initial stable release
 
-[Unreleased]: https://github.com/phalcon/php-zephir-parser/compare/v1.4.0...HEAD
+[Unreleased]: https://github.com/phalcon/php-zephir-parser/compare/v1.4.1...HEAD
+[1.4.1]: https://github.com/phalcon/php-zephir-parser/compare/v1.4.0...v1.4.1
 [1.4.0]: https://github.com/phalcon/php-zephir-parser/compare/v1.3.8...v1.4.0
 [1.3.8]: https://github.com/phalcon/php-zephir-parser/compare/v1.3.7...v1.3.8
 [1.3.7]: https://github.com/phalcon/php-zephir-parser/compare/v1.3.6...v1.3.7
diff --git a/VERSION b/VERSION
index 88c5fb89..347f5833 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.4.0
+1.4.1
diff --git a/package.xml b/package.xml
index 8a7a31b2..312ee067 100644
--- a/package.xml
+++ b/package.xml
@@ -13,10 +13,10 @@
         <active>yes</active>
     </lead>
     <date>2021-09-18</date>
-    <time>11:00:00</time>
+    <time>15:00:00</time>
     <version>
-        <release>1.4.0</release>
-        <api>1.4.0</api>
+        <release>1.4.1</release>
+        <api>1.4.1</api>
     </version>
     <stability>
         <release>stable</release>
@@ -24,12 +24,11 @@
     </stability>
     <license uri="https://github.com/zephir-lang/php-zephir-parser/blob/development/LICENSE">MIT</license>
     <notes>
-        Sat, Sep 18, 2021 - Zephir Parser 1.4.0
+        Sat, Sep 18, 2021 - Zephir Parser 1.4.1
 
-        = New features:
+        = Changes:
 
-        - Fixed issue #120: Add support for `mixed` type
-        - Fixed issue #118: Add support for `yield` statement
+        - Fixed issue #125: Renamed extension name from `Zephir Parser` to `zephir_parser`
     </notes>
     <contents>
         <dir name="/">
@@ -43,6 +42,162 @@
                 <file name="zephir.h" role="src"/>
             </dir>
 
+            <div name="tests">
+                <div name="base">
+                    <file name="cblocks.phpt" role="test"/>
+                    <file name="declare.phpt" role="test"/>
+                    <file name="empty01.phpt" role="test"/>
+                    <file name="empty02.phpt" role="test"/>
+                    <file name="extension_info.phpt" role="test"/>
+                    <file name="literals.phpt" role="test"/>
+                    <file name="types.phpt" role="test"/>
+                    <file name="variables.phpt" role="test"/>
+                </div>
+
+                <div name="cf">
+                    <file name="do-while.phpt" role="test"/>
+                    <file name="for.phpt" role="test"/>
+                    <file name="if.phpt" role="test"/>
+                    <file name="loop.phpt" role="test"/>
+                    <file name="switch.phpt" role="test"/>
+                    <file name="try-catch01.phpt" role="test"/>
+                    <file name="try-catch02.phpt" role="test"/>
+                    <file name="try-catch03.phpt" role="test"/>
+                    <file name="while01.phpt" role="test"/>
+                </div>
+
+                <div name="classes">
+                    <file name="bug48.phpt" role="test"/>
+                    <file name="constant.phpt" role="test"/>
+                    <file name="interface.phpt" role="test"/>
+                    <file name="method-visibility.phpt" role="test"/>
+                </div>
+
+                <div name="comments">
+                    <div name="dockblocks">
+                        <file name="bug13.phpt" role="test"/>
+                        <file name="empty.phpt" role="test"/>
+                        <file name="simple.phpt" role="test"/>
+                    </div>
+
+                    <file name="comment.phpt" role="test"/>
+                    <file name="comments_before.phpt" role="test"/>
+                    <file name="empty.phpt" role="test"/>
+                    <file name="sl_comment.phpt" role="test"/>
+                </div>
+
+                <div name="errors">
+                    <file name="001.phpt" role="test"/>
+                    <file name="bug30.phpt" role="test"/>
+                </div>
+
+                <div name="functions">
+                    <div name="closures">
+                        <file name="closure_arrow.phpt" role="test"/>
+                        <file name="empty_closure.phpt" role="test"/>
+                        <file name="empty_closure_with_body.phpt" role="test"/>
+                        <file name="non_empty_closure_with_use.phpt" role="test"/>
+                        <file name="non_empty_closure_with_use_and_body.phpt" role="test"/>
+                        <file name="preg_replace_callback.phpt" role="test"/>
+                    </div>
+
+                    <div name="parameter-types">
+                        <file name="int.phpt" role="test"/>
+                        <file name="mixed.phpt" role="test"/>
+                    </div>
+
+                    <div name="return-types">
+                        <file name="int.phpt" role="test"/>
+                        <file name="mixed.phpt" role="test"/>
+                    </div>
+
+                    <file name="definition01.phpt" role="test"/>
+                    <file name="definition02.phpt" role="test"/>
+                    <file name="definition03.phpt" role="test"/>
+                    <file name="definition04.phpt" role="test"/>
+                </div>
+
+                <div name="globals">
+                    <file name="001.phpt" role="test"/>
+                </div>
+
+                <div name="namespaces">
+                    <file name="001.phpt" role="test"/>
+                    <file name="002.phpt" role="test"/>
+                    <file name="003.phpt" role="test"/>
+                    <file name="004.phpt" role="test"/>
+                </div>
+
+                <div name="operators">
+                    <div name="assignments">
+                        <file name="bitwise.phpt" role="test"/>
+                        <file name="concat.phpt" role="test"/>
+                        <file name="div.phpt" role="test"/>
+                        <file name="mod.phpt" role="test"/>
+                        <file name="mul.phpt" role="test"/>
+                        <file name="sub.phpt" role="test"/>
+                    </div>
+
+                    <file name="and.phpt" role="test"/>
+                    <file name="bitwise.phpt" role="test"/>
+                    <file name="bug89.phpt" role="test"/>
+                    <file name="comparison.phpt" role="test"/>
+                    <file name="decr.phpt" role="test"/>
+                    <file name="div.phpt" role="test"/>
+                    <file name="dot.phpt" role="test"/>
+                    <file name="erange.phpt" role="test"/>
+                    <file name="incr.phpt" role="test"/>
+                    <file name="instanceof.phpt" role="test"/>
+                    <file name="irange.phpt" role="test"/>
+                    <file name="mod.phpt" role="test"/>
+                    <file name="mul.phpt" role="test"/>
+                    <file name="negation.phpt" role="test"/>
+                    <file name="new01.phpt" role="test"/>
+                    <file name="new02.phpt" role="test"/>
+                    <file name="new03.phpt" role="test"/>
+                    <file name="new04.phpt" role="test"/>
+                    <file name="not.phpt" role="test"/>
+                    <file name="or.phpt" role="test"/>
+                    <file name="special.phpt" role="test"/>
+                    <file name="static-constant-access.phpt" role="test"/>
+                    <file name="static-property-access.phpt" role="test"/>
+                    <file name="sub.phpt" role="test"/>
+                    <file name="ternary.phpt" role="test"/>
+                </div>
+
+                <div name="statements">
+                    <div name="yield">
+                        <file name="empty-yield.phpt" role="test"/>
+                        <file name="yield-array.phpt" role="test"/>
+                        <file name="yield-closure.phpt" role="test"/>
+                        <file name="yield-key-value.phpt" role="test"/>
+                        <file name="yield-key-value-variables.phpt" role="test"/>
+                        <file name="yield-value.phpt" role="test"/>
+                    </div>
+
+                    <file name="break.phpt" role="test"/>
+                    <file name="continue.phpt" role="test"/>
+                    <file name="empty.phpt" role="test"/>
+                    <file name="fcall.phpt" role="test"/>
+                    <file name="fetch.phpt" role="test"/>
+                    <file name="mcall.phpt" role="test"/>
+                    <file name="require.phpt" role="test"/>
+                    <file name="require_once.phpt" role="test"/>
+                    <file name="return.phpt" role="test"/>
+                    <file name="scall.phpt" role="test"/>
+                    <file name="throw.phpt" role="test"/>
+                    <file name="unset.phpt" role="test"/>
+                </div>
+
+                <div name="unicode">
+                    <file name="bug56.phpt" role="test"/>
+                    <file name="bug62.phpt" role="test"/>
+                </div>
+
+                <file name="skipif.inc" role="test"/>
+                <file name="skipifwin32.inc" role="test"/>
+            </div>
+
             <file name="config.m4" role="src"/>
             <file name="config.w32" role="src"/>
             <file name="zephir_parser.c" role="src"/>
diff --git a/tests/base/extension_info.phpt b/tests/base/extension_info.phpt
index 79e55438..e74f66a2 100644
--- a/tests/base/extension_info.phpt
+++ b/tests/base/extension_info.phpt
@@ -11,7 +11,7 @@ function contains($input, $expected) {
         : 'not contains';
 }
 
-$version = phpversion('Zephir Parser');
+$version = phpversion('zephir_parser');
 $actual = trim(file_get_contents(__DIR__ . '/../../VERSION'));
 
 $compare = $version === $actual;
@@ -23,7 +23,7 @@ $info = trim(ob_get_clean());
 
 echo contains($info, 'Zephir Parser').PHP_EOL;
 echo contains($info, 'The Zephir Parser delivered as a C extension for the PHP language.').PHP_EOL;
-echo contains($info, 'Zephir Parser => enabled').PHP_EOL;
+echo contains($info, 'zephir_parser => enabled').PHP_EOL;
 echo contains($info, 'Author => Zephir Team and contributors').PHP_EOL;
 echo contains($info, 'Version =>').PHP_EOL;
 echo contains($info, 'Build Date =>').PHP_EOL;
@@ -32,7 +32,7 @@ echo contains($info, 'Build Date =>').PHP_EOL;
 bool(true)
 Zephir Parser
 The Zephir Parser delivered as a C extension for the PHP language.
-Zephir Parser => enabled
+zephir_parser => enabled
 Author => Zephir Team and contributors
 Version =>
 Build Date =>
diff --git a/tests/skipif.inc b/tests/skipif.inc
index 408b40d6..1b95f3bf 100644
--- a/tests/skipif.inc
+++ b/tests/skipif.inc
@@ -1 +1 @@
-<?php if (!extension_loaded("Zephir Parser")) print "skip The zephir_parser extension is not loaded"; ?>
+<?php if (!extension_loaded("zephir_parser")) print "skip The zephir_parser extension is not loaded"; ?>
diff --git a/zephir_parser.h b/zephir_parser.h
index 95c96bb5..3cccd21d 100644
--- a/zephir_parser.h
+++ b/zephir_parser.h
@@ -14,8 +14,8 @@
 extern zend_module_entry zephir_parser_module_entry;
 #define phpext_zephir_parser_ptr &zephir_parser_module_entry
 
-#define PHP_ZEPHIR_PARSER_NAME "Zephir Parser"
-#define PHP_ZEPHIR_PARSER_VERSION "1.4.0"
+#define PHP_ZEPHIR_PARSER_NAME "zephir_parser"
+#define PHP_ZEPHIR_PARSER_VERSION "1.4.1"
 #define PHP_ZEPHIR_PARSER_AUTHOR "Zephir Team and contributors"
 #define PHP_ZEPHIR_PARSER_DESCRIPTION "The Zephir Parser delivered as a C extension for the PHP language."