diff --git a/go.mod b/go.mod
index 144b4ef0..a3c819e6 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.22.0
 
 require (
 	github.com/go-ldap/ldap/v3 v3.4.8
-	github.com/notaryproject/notation-core-go v1.1.1-0.20240920045731-0786f51de737
+	github.com/notaryproject/notation-core-go v1.2.0-rc.1
 	github.com/notaryproject/notation-plugin-framework-go v1.0.0
 	github.com/notaryproject/tspclient-go v0.2.0
 	github.com/opencontainers/go-digest v1.0.0
diff --git a/go.sum b/go.sum
index 27032854..87b2a338 100644
--- a/go.sum
+++ b/go.sum
@@ -32,8 +32,8 @@ github.com/jcmturner/gokrb5/v8 v8.4.4 h1:x1Sv4HaTpepFkXbt2IkL29DXRf8sOfZXo8eRKh6
 github.com/jcmturner/gokrb5/v8 v8.4.4/go.mod h1:1btQEpgT6k+unzCwX1KdWMEwPPkkgBtP+F6aCACiMrs=
 github.com/jcmturner/rpc/v2 v2.0.3 h1:7FXXj8Ti1IaVFpSAziCZWNzbNuZmnvw/i6CqLNdWfZY=
 github.com/jcmturner/rpc/v2 v2.0.3/go.mod h1:VUJYCIDm3PVOEHw8sgt091/20OJjskO/YJki3ELg/Hc=
-github.com/notaryproject/notation-core-go v1.1.1-0.20240920045731-0786f51de737 h1:Hp93KBCABE29+6zdS0GTg0T1SXj6qGatJyN1JMvTQqk=
-github.com/notaryproject/notation-core-go v1.1.1-0.20240920045731-0786f51de737/go.mod h1:b/70rA4OgOHlg0A7pb8zTWKJadFO6781zS3a37KHEJQ=
+github.com/notaryproject/notation-core-go v1.2.0-rc.1 h1:VMFlG+9a1JoNAQ3M96g8iqCq0cDRtE7XBaiTD8Ouvqw=
+github.com/notaryproject/notation-core-go v1.2.0-rc.1/go.mod h1:b/70rA4OgOHlg0A7pb8zTWKJadFO6781zS3a37KHEJQ=
 github.com/notaryproject/notation-plugin-framework-go v1.0.0 h1:6Qzr7DGXoCgXEQN+1gTZWuJAZvxh3p8Lryjn5FaLzi4=
 github.com/notaryproject/notation-plugin-framework-go v1.0.0/go.mod h1:RqWSrTOtEASCrGOEffq0n8pSg2KOgKYiWqFWczRSics=
 github.com/notaryproject/tspclient-go v0.2.0 h1:g/KpQGmyk/h7j60irIRG1mfWnibNOzJ8WhLqAzuiQAQ=