diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4691cbe09..0c50ca5b2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,32 @@ New features, fixed bugs, known defects and other noteworthy changes to each rel
 
 ## 1.8.0-RC4
 
+### Change
+* Registration Service
+  * adjust endpoint GET: /api/registration/applications to additionally response the registrationType
+
+### Feature
+* Mailing
+  * make the sender email configurable
+* IdentityProvider
+  * add more metadata to identityProvider details
+
+### Technical Support
+* Nuget Packages
+  * Provide Framework Packages as Nuget Packages
+* add new keycloak user to delete idps
+* Bpdm Push
+  * ignore nullable values
+  * set the sharing state to ready
+* Company Certificates
+  * add database structure for company certificates
+  * add seeding for company certificates
+
+### Known Knowns
+n/a
+
+## 1.8.0-RC4
+
 ### Change
 * updated response body of the GET: /api/administration/user/owncompany/users endpoint by changing the "role" section to an array to include role client information  ![Tag](https://img.shields.io/static/v1?label=&message=BreakingChange&color=yellow&style=flat)
 * pattern harmonization of 'company name' insert endpoints
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 6aedd1f21c..d46ae53510 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -20,6 +20,6 @@
 <Project>
   <PropertyGroup>
     <VersionPrefix>1.8.0</VersionPrefix>
-    <VersionSuffix>RC4</VersionSuffix>
+    <VersionSuffix>RC5</VersionSuffix>
   </PropertyGroup>
 </Project>