diff --git a/blocked-edges/4.3.0.yaml b/blocked-edges/4.3.0.yaml
new file mode 100644
index 000000000..f725384c0
--- /dev/null
+++ b/blocked-edges/4.3.0.yaml
@@ -0,0 +1,3 @@
+to: 4.3.0
+from: .*
+# 4.2.* -> 4.3.0 Sometimes workloads on GCP are unreachable during 4.2.x to 4.3.0 upgrade sometimes: https://bugzilla.redhat.com/show_bug.cgi?id=1785457