diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index fe66c9068..4970d70a3 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.18.4
+current_version = 1.18.5
 
 [bumpversion:file:src/zxbc/version.py]
 search = VERSION: Final[str] = "{current_version}"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27fd73b39..ec6425ac3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+[v1.18.5](https://github.com/boriel-basic/zxbasic/tree/v1.18.5)
+===
++ ! Fixed a regression bug with arrays passed byRef
++ ! Fixed a bug with mul for Long and ULong in zx48k arch
++ Refact some runtime libraries to use that of zx48k arch from zxnext
+
 [v1.18.4](https://github.com/boriel-basic/zxbasic/tree/v1.18.4)
 ===
 + ! Fixed a bug with arrays and strings
diff --git a/docs/archive.md b/docs/archive.md
index 60ba54ed3..b04067bf1 100644
--- a/docs/archive.md
+++ b/docs/archive.md
@@ -10,28 +10,28 @@ repository (git).
 You can contribute to ZX BASIC by reporting possible bugs or improvement suggestions at the
 [forum](https://forum.boriel.com/) or in social media.
 
-The latest stable version is <span style={{color: "green"}}>**1.18.4**</span>.
+The latest stable version is <span style={{color: "green"}}>**1.18.5**</span>.
 Click on the desired icon below to download the package suitable for your platform:
 
 * [<img src="https://zxbasic.readthedocs.io/en/docs/img/win32.png" alt="win32zip" width="32px"/>
-  https://www.boriel.com/files/zxb/zxbasic-1.18.4-win32.zip](https://www.boriel.com/files/zxb/zxbasic-1.18.4-win32.zip)
+  https://www.boriel.com/files/zxb/zxbasic-1.18.5-win32.zip](https://www.boriel.com/files/zxb/zxbasic-1.18.5-win32.zip)
 <br />Windows .exe zip package. No install needed, just uncompress it in a directory of your choice.
 <br/>&nbsp;
 * [<img src="https://zxbasic.readthedocs.io/en/docs/img/macos.png" alt="macostargz" width="32px"/>
-  https://www.boriel.com/files/zxb/zxbasic-1.18.4-macos.tar.gz](https://www.boriel.com/files/zxb/zxbasic-1.18.4-macos.tar.gz)
+  https://www.boriel.com/files/zxb/zxbasic-1.18.5-macos.tar.gz](https://www.boriel.com/files/zxb/zxbasic-1.18.5-macos.tar.gz)
 <br />Mac OS x64 package. No install needed, just uncompress it in a directory of your choice (needs Python installed
 in your system).
 <br/>&nbsp;
 * [<img src="https://zxbasic.readthedocs.io/en/docs/img/linux.png" alt="macostargz" width="32px"/>
-  https://www.boriel.com/files/zxb/zxbasic-1.18.4-linux64.tar.gz](https://www.boriel.com/files/zxb/zxbasic-1.18.4-linux64.tar.gz)
+  https://www.boriel.com/files/zxb/zxbasic-1.18.5-linux64.tar.gz](https://www.boriel.com/files/zxb/zxbasic-1.18.5-linux64.tar.gz)
 <br />Linux x64 binary package. No install needed, just uncompress it in a directory of your choice.
 <br/>&nbsp;
 * [<img src="https://zxbasic.readthedocs.io/en/docs/img/zip-package.png" alt="zip" width="32px"/>
-  https://www.boriel.com/files/zxb/zxbasic-1.18.4.zip](https://www.boriel.com/files/zxb/zxbasic-1.18.4.zip)
+  https://www.boriel.com/files/zxb/zxbasic-1.18.5.zip](https://www.boriel.com/files/zxb/zxbasic-1.18.5.zip)
 <br />Windows, Linux, Mac zip package, with python scripts. Requires python installed in your system.
 <br/>&nbsp;
 * [<img src="https://zxbasic.readthedocs.io/en/docs/img/driver-down.png" alt="tar.gz" width="32px"/>
-  https://www.boriel.com/files/zxb/zxbasic-1.18.4.tar.gz](https://www.boriel.com/files/zxb/zxbasic-1.18.4.tar.gz)
+  https://www.boriel.com/files/zxb/zxbasic-1.18.5.tar.gz](https://www.boriel.com/files/zxb/zxbasic-1.18.5.tar.gz)
 <br />Windows, Linux, Mac tar.gz package, with python scripts. Requires python installed in your system.
 
 ### What's new
diff --git a/pyproject.toml b/pyproject.toml
index c9cd61bc6..9853d1cd6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "zxbasic"
-version = "1.18.4"
+version = "1.18.5"
 description = "Boriel's ZX BASIC Compiler"
 authors = ["Jose Rodriguez <zxbasic@boriel.com>"]
 license = "AGPL-3.0-or-later"
diff --git a/src/zxbasm/version.py b/src/zxbasm/version.py
index 9ec4d800b..419faa241 100644
--- a/src/zxbasm/version.py
+++ b/src/zxbasm/version.py
@@ -5,4 +5,4 @@
 # See https://www.gnu.org/licenses/agpl-3.0.html for details.
 # --------------------------------------------------------------------
 
-VERSION = "1.18.4"
+VERSION = "1.18.5"
diff --git a/src/zxbc/version.py b/src/zxbc/version.py
index ca885bb90..c1a8bf10a 100755
--- a/src/zxbc/version.py
+++ b/src/zxbc/version.py
@@ -7,4 +7,4 @@
 
 from typing import Final
 
-VERSION: Final[str] = "1.18.4"
+VERSION: Final[str] = "1.18.5"