diff --git a/.gitignore b/.gitignore
index ae15de42..585bf452 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@
 *.lo
 *.la
 *.profraw
+*.dep
 
 .deps
 .libs
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e2354d8..15bb8b46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [Unreleased] - xxxx-xx-xx
+
+
+## [1.5.0] - 2022-02-12
+### Added
+- Added support for `false` return type [#137](https://github.com/phalcon/php-zephir-parser/issues/137)
 
 ## [1.4.2] - 2021-12-11
 ### Added
@@ -181,7 +186,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
  - Initial stable release
 
-[Unreleased]: https://github.com/phalcon/php-zephir-parser/compare/v1.4.2...HEAD
+[Unreleased]: https://github.com/phalcon/php-zephir-parser/compare/v1.5.0...HEAD
+[1.5.0]: https://github.com/phalcon/php-zephir-parser/compare/v1.4.2...v1.5.0
 [1.4.2]: https://github.com/phalcon/php-zephir-parser/compare/v1.4.1...v1.4.2
 [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
diff --git a/VERSION b/VERSION
index 9df886c4..bc80560f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.4.2
+1.5.0
diff --git a/package.xml b/package.xml
index 68a2cc8c..93ad3c95 100644
--- a/package.xml
+++ b/package.xml
@@ -15,8 +15,8 @@
     <date>2021-09-18</date>
     <time>15:00:00</time>
     <version>
-        <release>1.4.2</release>
-        <api>1.4.2</api>
+        <release>1.5.0</release>
+        <api>1.5.0</api>
     </version>
     <stability>
         <release>stable</release>
@@ -24,11 +24,11 @@
     </stability>
     <license uri="https://github.com/zephir-lang/php-zephir-parser/blob/development/LICENSE">MIT</license>
     <notes>
-        Sat, Dec 1, 2021 - Zephir Parser 1.4.2
+        Sat, Feb 12, 2022 - Zephir Parser 1.5.0
 
-        = Changes:
+        = Added:
 
-        - Enabled support of PHP8.1
+        - Added support of `false` return type
     </notes>
     <contents>
         <dir name="/">
@@ -107,6 +107,8 @@
                     </dir>
 
                     <dir name="return-types">
+                        <file name="false.phpt" role="test"/>
+                        <file name="float.phpt" role="test"/>
                         <file name="int.phpt" role="test"/>
                         <file name="mixed.phpt" role="test"/>
                     </dir>
diff --git a/parser/parser.h b/parser/parser.h
index 90479487..9c3426c6 100644
--- a/parser/parser.h
+++ b/parser/parser.h
@@ -598,6 +598,10 @@ static void xx_ret_type(zval *ret, int type)
 			parser_get_string(ret, "this");
             return;
 
+        case XX_T_TYPE_FALSE:
+        	parser_get_string(ret, "false");
+			return;
+
 		default:
 			fprintf(stderr, "unknown type?\n");
 	}
diff --git a/parser/scanner.h b/parser/scanner.h
index 8ccb6685..f05d2a3b 100644
--- a/parser/scanner.h
+++ b/parser/scanner.h
@@ -47,6 +47,7 @@
 #define XX_T_TYPE_NULL 334
 #define XX_T_TYPE_THIS 335
 #define XX_T_TYPE_MIXED 336
+#define XX_T_TYPE_FALSE 337
 
 #define XX_T_NAMESPACE 350
 #define XX_T_CLASS 351
diff --git a/parser/zephir.lemon b/parser/zephir.lemon
index 4315c280..1d7ecd8d 100644
--- a/parser/zephir.lemon
+++ b/parser/zephir.lemon
@@ -702,6 +702,14 @@ xx_method_return_type_item(R) ::= THIS . {
 	}
 }
 
+xx_method_return_type_item(R) ::= FALSE . {
+	{
+		zval type;
+		xx_ret_type(&type, XX_T_TYPE_FALSE);
+		xx_ret_return_type_item(&R, &type, NULL, 0, 0, status->scanner_state);
+	}
+}
+
 xx_method_return_type_item(R) ::= xx_parameter_type(T) NOT . {
 	xx_ret_return_type_item(&R, &T, NULL, 1, 0, status->scanner_state);
 }
@@ -950,6 +958,10 @@ xx_parameter_type(R) ::= TYPE_MIXED . {
 	xx_ret_type(&R, XX_TYPE_MIXED);
 }
 
+xx_parameter_type(R) ::= TYPE_FALSE . {
+	xx_ret_type(&R, XX_TYPE_FALSE);
+}
+
 xx_parameter_type(R) ::= TYPE_OBJECT . {
 	xx_ret_type(&R, XX_TYPE_OBJECT);
 }
diff --git a/tests/functions/return-types/false.phpt b/tests/functions/return-types/false.phpt
new file mode 100644
index 00000000..9c000195
--- /dev/null
+++ b/tests/functions/return-types/false.phpt
@@ -0,0 +1,175 @@
+--TEST--
+Function definition with `false` return type
+--SKIPIF--
+<?php include(__DIR__ . '/../../skipif.inc'); ?>
+--FILE--
+<?php
+$code =<<<ZEP
+function singleReturn() -> false { return false; }
+
+function unionReturn() -> int | false { return 1; }
+ZEP;
+
+$ir = zephir_parse_file($code, '(eval code)');
+var_dump($ir);
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  array(7) {
+    ["type"]=>
+    string(8) "function"
+    ["name"]=>
+    string(12) "singleReturn"
+    ["statements"]=>
+    array(1) {
+      [0]=>
+      array(5) {
+        ["type"]=>
+        string(6) "return"
+        ["expr"]=>
+        array(5) {
+          ["type"]=>
+          string(4) "bool"
+          ["value"]=>
+          string(5) "false"
+          ["file"]=>
+          string(11) "(eval code)"
+          ["line"]=>
+          int(1)
+          ["char"]=>
+          int(49)
+        }
+        ["file"]=>
+        string(11) "(eval code)"
+        ["line"]=>
+        int(1)
+        ["char"]=>
+        int(51)
+      }
+    }
+    ["return-type"]=>
+    array(6) {
+      ["type"]=>
+      string(11) "return-type"
+      ["list"]=>
+      array(1) {
+        [0]=>
+        array(6) {
+          ["type"]=>
+          string(21) "return-type-parameter"
+          ["data-type"]=>
+          string(5) "false"
+          ["mandatory"]=>
+          int(0)
+          ["file"]=>
+          string(11) "(eval code)"
+          ["line"]=>
+          int(1)
+          ["char"]=>
+          int(35)
+        }
+      }
+      ["void"]=>
+      int(0)
+      ["file"]=>
+      string(11) "(eval code)"
+      ["line"]=>
+      int(1)
+      ["char"]=>
+      int(35)
+    }
+    ["file"]=>
+    string(11) "(eval code)"
+    ["line"]=>
+    int(3)
+    ["char"]=>
+    int(8)
+  }
+  [1]=>
+  array(7) {
+    ["type"]=>
+    string(8) "function"
+    ["name"]=>
+    string(11) "unionReturn"
+    ["statements"]=>
+    array(1) {
+      [0]=>
+      array(5) {
+        ["type"]=>
+        string(6) "return"
+        ["expr"]=>
+        array(5) {
+          ["type"]=>
+          string(3) "int"
+          ["value"]=>
+          string(1) "1"
+          ["file"]=>
+          string(11) "(eval code)"
+          ["line"]=>
+          int(3)
+          ["char"]=>
+          int(49)
+        }
+        ["file"]=>
+        string(11) "(eval code)"
+        ["line"]=>
+        int(3)
+        ["char"]=>
+        int(51)
+      }
+    }
+    ["return-type"]=>
+    array(6) {
+      ["type"]=>
+      string(11) "return-type"
+      ["list"]=>
+      array(2) {
+        [0]=>
+        array(6) {
+          ["type"]=>
+          string(21) "return-type-parameter"
+          ["data-type"]=>
+          string(3) "int"
+          ["mandatory"]=>
+          int(0)
+          ["file"]=>
+          string(11) "(eval code)"
+          ["line"]=>
+          int(3)
+          ["char"]=>
+          int(31)
+        }
+        [1]=>
+        array(6) {
+          ["type"]=>
+          string(21) "return-type-parameter"
+          ["data-type"]=>
+          string(5) "false"
+          ["mandatory"]=>
+          int(0)
+          ["file"]=>
+          string(11) "(eval code)"
+          ["line"]=>
+          int(3)
+          ["char"]=>
+          int(39)
+        }
+      }
+      ["void"]=>
+      int(0)
+      ["file"]=>
+      string(11) "(eval code)"
+      ["line"]=>
+      int(3)
+      ["char"]=>
+      int(39)
+    }
+    ["file"]=>
+    string(11) "(eval code)"
+    ["line"]=>
+    int(3)
+    ["char"]=>
+    int(8)
+  }
+}
diff --git a/tests/functions/return-types/float.phpt b/tests/functions/return-types/float.phpt
new file mode 100644
index 00000000..f7ad09f3
--- /dev/null
+++ b/tests/functions/return-types/float.phpt
@@ -0,0 +1,60 @@
+--TEST--
+Function definition with `float` return type
+--SKIPIF--
+<?php include(__DIR__ . '/../../skipif.inc'); ?>
+--FILE--
+<?php
+$code =<<<ZEP
+function test() -> float { }
+ZEP;
+
+$ir = zephir_parse_file($code, '(eval code)');
+var_dump($ir);
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  array(6) {
+    ["type"]=>
+    string(8) "function"
+    ["name"]=>
+    string(4) "test"
+    ["return-type"]=>
+    array(6) {
+      ["type"]=>
+      string(11) "return-type"
+      ["list"]=>
+      array(1) {
+        [0]=>
+        array(6) {
+          ["type"]=>
+          string(21) "return-type-parameter"
+          ["data-type"]=>
+          string(6) "double"
+          ["mandatory"]=>
+          int(0)
+          ["file"]=>
+          string(11) "(eval code)"
+          ["line"]=>
+          int(1)
+          ["char"]=>
+          int(27)
+        }
+      }
+      ["void"]=>
+      int(0)
+      ["file"]=>
+      string(11) "(eval code)"
+      ["line"]=>
+      int(1)
+      ["char"]=>
+      int(27)
+    }
+    ["file"]=>
+    string(11) "(eval code)"
+    ["line"]=>
+    int(1)
+    ["char"]=>
+    int(9)
+  }
+}
diff --git a/tests/functions/return-types/int.phpt b/tests/functions/return-types/int.phpt
index 38a6c8a9..85823992 100644
--- a/tests/functions/return-types/int.phpt
+++ b/tests/functions/return-types/int.phpt
@@ -1,5 +1,5 @@
 --TEST--
-Function definition with mandatory return type
+Function definition with `int` return type
 --SKIPIF--
 <?php include(__DIR__ . '/../../skipif.inc'); ?>
 --FILE--
diff --git a/tests/functions/return-types/mixed.phpt b/tests/functions/return-types/mixed.phpt
index d85bad8d..a7f19dce 100644
--- a/tests/functions/return-types/mixed.phpt
+++ b/tests/functions/return-types/mixed.phpt
@@ -1,5 +1,5 @@
 --TEST--
-Function definition with void
+Function definition with `mixed` return type
 --SKIPIF--
 <?php include(__DIR__ . '/../../skipif.inc'); ?>
 --FILE--
diff --git a/zephir_parser.h b/zephir_parser.h
index 675b51dc..cc8c328a 100644
--- a/zephir_parser.h
+++ b/zephir_parser.h
@@ -15,7 +15,7 @@ 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 "1.4.2"
+#define PHP_ZEPHIR_PARSER_VERSION "1.5.0"
 #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."