diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7fc9e5b..d667c24d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+## v2024.1-beta4.security2
+This is a security hotfix release. It's identical to v2024.1-beta4.security1, except for the security mitigations listed below. Upgrading is strongly recommended for all server operators.
+
+### Backend
+- Several DoS & stack overflow vulnerabilities in the MFM parser were resolved
+
+### Miscellaneous
+- Performance of the MFM parser (and by extension, the frontend) should be significantly improved, as the backport of the security fixes also contains all other performance-related changes since v2024.1-beta4.
+
+### Attribution
+This release was made possible by project contributors: Laura Hausmann
+
 ## v2024.1-beta4.security1
 This is a security hotfix release. It's identical to v2024.1-beta4, except for the security mitigations listed below. Upgrading is strongly recommended for all server operators.
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 09088b39..1050980b 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -32,7 +32,7 @@
     <!-- Version metadata -->
     <PropertyGroup>
         <VersionPrefix>2024.1</VersionPrefix>
-        <VersionSuffix>beta4.security1</VersionSuffix>
+        <VersionSuffix>beta4.security2</VersionSuffix>
     </PropertyGroup>
 
     <ItemGroup>