diff --git a/io.catenax.secondary_material_content/1.0.0/metadata.json b/io.catenax.secondary_material_content/1.0.0/metadata.json
index c22749ae..bf40b864 100644
--- a/io.catenax.secondary_material_content/1.0.0/metadata.json
+++ b/io.catenax.secondary_material_content/1.0.0/metadata.json
@@ -1 +1 @@
-{ "status" : "release"}
+{ "status" : "deprecate"}
diff --git a/io.catenax.secondary_material_content/RELEASE_NOTES.md b/io.catenax.secondary_material_content/RELEASE_NOTES.md
index 1a63774a..b27a57da 100644
--- a/io.catenax.secondary_material_content/RELEASE_NOTES.md
+++ b/io.catenax.secondary_material_content/RELEASE_NOTES.md
@@ -1,8 +1,6 @@
 # Changelog
 All notable changes to this model will be documented in this file.
 
-## [Unreleased]
-
 ## [1.0.0] - 2023-10-04
 ### Added
 - initial model
diff --git a/io.catenax.secondary_material_content_calculated/RELEASE_NOTES.md b/io.catenax.secondary_material_content_calculated/RELEASE_NOTES.md
index 1ab3f61a..b12daa33 100644
--- a/io.catenax.secondary_material_content_calculated/RELEASE_NOTES.md
+++ b/io.catenax.secondary_material_content_calculated/RELEASE_NOTES.md
@@ -1,8 +1,6 @@
 # Changelog
 All notable changes to this model will be documented in this file.
 
-## [Unreleased]
-
 ## [1.0.0] - 2023-12-18
 ### Added
 - initial model
diff --git a/io.catenax.secondary_material_content_verifiable/RELEASE_NOTES.md b/io.catenax.secondary_material_content_verifiable/RELEASE_NOTES.md
index 1ab3f61a..b12daa33 100644
--- a/io.catenax.secondary_material_content_verifiable/RELEASE_NOTES.md
+++ b/io.catenax.secondary_material_content_verifiable/RELEASE_NOTES.md
@@ -1,8 +1,6 @@
 # Changelog
 All notable changes to this model will be documented in this file.
 
-## [Unreleased]
-
 ## [1.0.0] - 2023-12-18
 ### Added
 - initial model
diff --git a/io.catenax.shared.secondary_material_content/RELEASE_NOTES.md b/io.catenax.shared.secondary_material_content/RELEASE_NOTES.md
index 9f9ad660..79b4a2a3 100644
--- a/io.catenax.shared.secondary_material_content/RELEASE_NOTES.md
+++ b/io.catenax.shared.secondary_material_content/RELEASE_NOTES.md
@@ -1,8 +1,6 @@
 # Changelog
 All notable changes to this model will be documented in this file.
 
-## [Unreleased]
-
 ## [1.0.0] - 2023-12-18
 ### Added
 - relocation to shared namespace