diff --git a/noetic/release-buster-arm64-build.yaml b/noetic/release-buster-arm64-build.yaml
index 21ecaaee..66655c2a 100644
--- a/noetic/release-buster-arm64-build.yaml
+++ b/noetic/release-buster-arm64-build.yaml
@@ -14,6 +14,7 @@ notifications:
   - sloretz+buildfarm@openrobotics.org
   maintainers: true
 package_blacklist:
+  - cob_monitoring
   - novatel_oem7_driver
   - ros_ign_gazebo
   - rospilot
diff --git a/noetic/release-buster-build.yaml b/noetic/release-buster-build.yaml
index 60ca7538..8c9f526a 100644
--- a/noetic/release-buster-build.yaml
+++ b/noetic/release-buster-build.yaml
@@ -14,6 +14,7 @@ notifications:
   - sloretz+buildfarm@openrobotics.org
   maintainers: true
 package_blacklist:
+  - cob_monitoring
   - ros_ign_gazebo
   - rospilot
 sync:
diff --git a/noetic/source-buster-build.yaml b/noetic/source-buster-build.yaml
index 1387fcde..dad74d8d 100644
--- a/noetic/source-buster-build.yaml
+++ b/noetic/source-buster-build.yaml
@@ -13,6 +13,8 @@ notifications:
   - ros-buildfarm-noetic@googlegroups.com
   - sloretz+buildfarm@openrobotics.org
   maintainers: true
+package_blacklist:
+  - cob_monitoring
 repositories:
   keys:
   - |