diff --git a/src/test/ci.sh b/src/test/ci.sh
index 97afb53f..ea0d3bd3 100755
--- a/src/test/ci.sh
+++ b/src/test/ci.sh
@@ -31,8 +31,16 @@ case "$1" in
 		else
 			echo "Successfully Failed"
 		fi
-
-        sudo rm -rf /rsync
+        
+		# We run the failed build twice to check the failure logic.
+		# It should find the failed build, delete it and then fail again.
+		if sudo "$GITHUB_WORKSPACE/_build/install/default/bin/shark" md specs/shark.failure.md --store=rsync:/rsync --rsync-mode=hardlink --verbose; then
+			exit 1
+		else
+			echo "Successfully Failed"
+		fi
+        
+		sudo rm -rf /rsync
         ;;
     *)
         printf "Usage: main.sh [zfs|rsync_copy]" >&2
diff --git a/vendor/obuilder b/vendor/obuilder
index cf81e9a6..3196b14c 160000
--- a/vendor/obuilder
+++ b/vendor/obuilder
@@ -1 +1 @@
-Subproject commit cf81e9a683ce10631e3c003a60594f3601e067fc
+Subproject commit 3196b14c8de6a51c26c553166943b22fba01b76c