diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0472dada..e92678e3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2' ]
+        php: [ '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3' ]
         ts: [ 'ts', 'nts' ]
         arch: [ 'x64' ]
 
@@ -40,9 +40,9 @@ jobs:
         #     {php}-{ts}-{os.name}-{compiler}-{arch}
         include:
           # Linux
-          - { name: ubuntu-gcc, os: ubuntu-18.04, compiler: gcc, ccov: 'ON' }
+          - { name: ubuntu-gcc, os: ubuntu-latest, compiler: gcc, ccov: 'ON' }
           # macOS
-          - { name: macos-clang, os: macos-10.15, compiler: clang, ccov: 'ON' }
+          - { name: macos-clang, os: macos-12, compiler: clang, ccov: 'ON' }
           # Windows
           - { php: '7.0', ts: 'nts', arch: 'x64', name: 'windows2019-vc14', os: 'windows-2019', compiler: 'vc14', ccov: 'OFF' }
           - { php: '7.0', ts: 'ts', arch: 'x64', name: 'windows2019-vc14', os: 'windows-2019', compiler: 'vc14', ccov: 'OFF' }
@@ -60,6 +60,8 @@ jobs:
           - { php: '8.1', ts: 'ts', arch: 'x64', name: 'windows2019-vs16', os: 'windows-2019', compiler: 'vs16', ccov: 'OFF' }
           - { php: '8.2', ts: 'nts', arch: 'x64', name: 'windows2019-vs16', os: 'windows-2019', compiler: 'vs16', ccov: 'OFF' }
           - { php: '8.2', ts: 'ts', arch: 'x64', name: 'windows2019-vs16', os: 'windows-2019', compiler: 'vs16', ccov: 'OFF' }
+          #- { php: '8.3', ts: 'nts', arch: 'x64', name: 'windows2019-vs16', os: 'windows-2019', compiler: 'vs16', ccov: 'OFF' }
+          #- { php: '8.3', ts: 'ts', arch: 'x64', name: 'windows2019-vs16', os: 'windows-2019', compiler: 'vs16', ccov: 'OFF' }
 
     steps:
       - uses: actions/checkout@v3
@@ -183,7 +185,7 @@ jobs:
 
   pecl:
     name: Build PECL package
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v3
@@ -252,7 +254,7 @@ jobs:
 
     needs: [ builds, pecl ]
     name: Create Release
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout Code
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a8727d8..1b6fc98a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased] - xxxx-xx-xx
 
+## [1.6.0] - 2023-08-27
+### Added
+- Enabled support of PHP8.3 for PECL [#141](https://github.com/phalcon/php-zephir-parser/issues/148)
+
 ## [1.5.3] - 2023-02-08
 ### Added
 - Enabled Thread Safe (TS) builds [#145](https://github.com/phalcon/php-zephir-parser/issues/145)
@@ -197,7 +201,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
  - Initial stable release
 
-[Unreleased]: https://github.com/phalcon/php-zephir-parser/compare/v1.5.3...HEAD
+[Unreleased]: https://github.com/phalcon/php-zephir-parser/compare/v1.6.0...HEAD
+[1.6.0]: https://github.com/phalcon/php-zephir-parser/compare/v1.5.3...v1.6.0
 [1.5.3]: https://github.com/phalcon/php-zephir-parser/compare/v1.5.2...v1.5.3
 [1.5.2]: https://github.com/phalcon/php-zephir-parser/compare/v1.5.1...v1.5.2
 [1.5.1]: https://github.com/phalcon/php-zephir-parser/compare/v1.5.0...v1.5.1
diff --git a/VERSION b/VERSION
index 8af85beb..dc1e644a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.3
+1.6.0
diff --git a/coverage.mk b/coverage.mk
index 32bca22e..8deade25 100644
--- a/coverage.mk
+++ b/coverage.mk
@@ -14,7 +14,7 @@ coverage-initial: clean-coverage
 .PHONY: coverage-capture
 coverage-capture:
 	@$(LCOV) --no-checksum -d . -c --compat-libtool -o $(LCOV_REPORT)
-	@$(LCOV) -r $(LCOV_REPORT) "/usr*" -r $(LCOV_REPORT) "${HOME}/.phpenv/*" --compat-libtool -o $(LCOV_REPORT)
+	@$(LCOV) --ignore-errors unused -r $(LCOV_REPORT) "/usr*" -r $(LCOV_REPORT) "${HOME}/.phpenv/*" --compat-libtool -o $(LCOV_REPORT)
 
 .PHONY: coverage-html
 coverage-html: coverage-capture
diff --git a/package.xml b/package.xml
index 210cda4b..15794558 100644
--- a/package.xml
+++ b/package.xml
@@ -12,11 +12,11 @@
         <email>anton@phalcon.io</email>
         <active>yes</active>
     </lead>
-    <date>2023-02-08</date>
+    <date>2023-08-27</date>
     <time>22:00:00</time>
     <version>
-        <release>1.5.3</release>
-        <api>1.5.3</api>
+        <release>1.6.0</release>
+        <api>1.6.0</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>
-        Mon, Feb 08, 2023 - Zephir Parser 1.5.3
+        Sun, Aug 27, 2023 - Zephir Parser 1.6.0
 
         = Added:
 
-        - Enabled Thread Safe (TS) builds
+        - Enabled support of PHP8.3 for PECL
     </notes>
     <contents>
         <dir name="/">
@@ -215,7 +215,7 @@
         <required>
             <php>
                 <min>7.0.0</min>
-                <max>8.2.99</max>
+                <max>8.3.99</max>
             </php>
             <pearinstaller>
                 <min>1.10</min>
diff --git a/zephir_parser.h b/zephir_parser.h
index 2b1700d8..8bb07e70 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 "1.5.3"
+#define PHP_ZEPHIR_PARSER_VERSION "1.6.0"
 #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."