diff --git a/_data/releases.yaml b/_data/releases.yaml
index 9d51f00..6799573 100644
--- a/_data/releases.yaml
+++ b/_data/releases.yaml
@@ -59,6 +59,7 @@ java:
   - {version: 0.6.0, date: 2009-08-17, gz: 1}
   - {version: 0.5.0, date: 2009-07-15, gz: 1}
 bin:
+  - {version: 4.0.0.5, date: 2024-09-10, linux_aarch64: 1}
   - {version: 4.0.0.4, date: 2024-09-01}
   - {version: 4.0.0.3, date: 2024-05-04}
   - {version: 4.0.0.2, date: 2024-03-29}
diff --git a/_includes/news.md b/_includes/news.md
index 518c429..74ca54d 100644
--- a/_includes/news.md
+++ b/_includes/news.md
@@ -1,5 +1,12 @@
 {% include links.md %}
 
+## Binary build 4.0.0.5, 2024-09-10
+
+[Binary build 4.0.0.5][bin-4.0.0.5] adds Linux aarch64 (ARM64) binaries.
+
+[bin-4.0.0.5]: https://github.com/openslide/openslide-bin/releases/tag/v4.0.0.5
+
+
 ## Binary build 4.0.0.4, 2024-09-01
 
 [Binary build 4.0.0.4][bin-4.0.0.4] updates the versions of many
diff --git a/download/index.md b/download/index.md
index 147d295..5f42620 100644
--- a/download/index.md
+++ b/download/index.md
@@ -52,6 +52,7 @@ If you're looking for the bleeding edge,
         {% if release.version %}
           <td><a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-bin-{{ version }}.tar.gz">Source</a></td>
           <td><a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-bin-{{ version }}-linux-x86_64.tar.xz">Linux x86_64</a></td>
+          <td>{% if release.linux_aarch64 %}<a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-bin-{{ version }}-linux-aarch64.tar.xz">Linux aarch64</a>{% endif %}</td>
           <td><a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-bin-{{ version }}-macos-arm64-x86_64.tar.xz">macOS</a></td>
           <td></td>
           <td><a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-bin-{{ version }}-windows-x64.zip">Windows x64</a></td>
@@ -59,6 +60,7 @@ If you're looking for the bleeding edge,
           <td><a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-winbuild-{{ version }}.zip">Source</a></td>
           <td></td>
           <td></td>
+          <td></td>
           <td><a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-win32-{{ version }}.zip">Windows x86</a></td>
           <td><a href="https://github.com/openslide/openslide-bin/releases/download/v{{ version }}/openslide-win64-{{ version }}.zip">Windows x64</a></td>
         {% endif %}