diff --git a/_attributes/common-attributes.adoc b/_attributes/common-attributes.adoc
index d9e0aafba5ce..97295fec5bf7 100644
--- a/_attributes/common-attributes.adoc
+++ b/_attributes/common-attributes.adoc
@@ -11,8 +11,8 @@
 :imagesdir: images
 :prewrap!:
 // n-1 and n+1 OCP versions relative to the current branch's {product-version} attr
-:ocp-nminus1: 4.18
-:ocp-nplus1: 4.20
+:ocp-nminus1: 4.19
+:ocp-nplus1: 4.21
 // Operating system attributes
 :op-system-first: Red{nbsp}Hat Enterprise Linux CoreOS (RHCOS)
 :op-system: RHCOS