diff --git a/Makefile b/Makefile
index 0076c1ed7..69388011f 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ ASSIST_VERSION := $(shell sed -n '/[ ]*github.com\/openshift-pipelines\/tekton-a
 
 GO := go
 GOVERSION := 1.25.6
-OPC_VERSION := 1.21.1
+OPC_VERSION := 1.21.0
 BINARYNAME := opc
 GOLANGCI_LINT := golangci-lint
 
diff --git a/pkg/version.json b/pkg/version.json
index ecd242c11..ffa1cea3b 100644
--- a/pkg/version.json
+++ b/pkg/version.json
@@ -1 +1 @@
-{"pac": "0.39.7", "tkn": "0.43.2", "results": "0.17.2", "manualapprovalgate": "0.7.0", "assist": "0.1.1", "opc": "1.21.3"}
+{"pac": "0.39.7", "tkn": "0.43.2", "results": "0.17.2", "manualapprovalgate": "0.7.0", "assist": "0.1.1", "opc": "1.21.0"}