diff --git a/go.mod b/go.mod
index 275d3f4c..c8b32c61 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.23
 require (
 	github.com/notaryproject/notation-core-go v1.2.0-rc.1.0.20241129024749-95d89543c9f9
 	github.com/notaryproject/notation-go v1.2.0-beta.1.0.20241202020354-95bac0082974
-	github.com/notaryproject/tspclient-go v0.2.1-0.20241030015323-90a141e7525c
+	github.com/notaryproject/tspclient-go v1.0.0-rc.1
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.1.0
 	github.com/sirupsen/logrus v1.9.3
diff --git a/go.sum b/go.sum
index c8f6de87..1b7c0612 100644
--- a/go.sum
+++ b/go.sum
@@ -41,8 +41,8 @@ github.com/notaryproject/notation-go v1.2.0-beta.1.0.20241202020354-95bac0082974
 github.com/notaryproject/notation-go v1.2.0-beta.1.0.20241202020354-95bac0082974/go.mod h1:6a3/g7yD/8dxxBpimzUWthH8DLBrzHs4RTzdz9CALvw=
 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 v0.2.1-0.20241030015323-90a141e7525c h1:bX6gGxFw9+DShmYTgbD+vr6neF1SoXIMUU2fDgdLsfA=
-github.com/notaryproject/tspclient-go v0.2.1-0.20241030015323-90a141e7525c/go.mod h1:LGyA/6Kwd2FlM0uk8Vc5il3j0CddbWSHBj/4kxQDbjs=
+github.com/notaryproject/tspclient-go v1.0.0-rc.1 h1:KcHxlqg6Adt4kzGLw012i0YMLlwGwToiR129c6IQ7Ys=
+github.com/notaryproject/tspclient-go v1.0.0-rc.1/go.mod h1:LGyA/6Kwd2FlM0uk8Vc5il3j0CddbWSHBj/4kxQDbjs=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
 github.com/opencontainers/image-spec v1.1.0 h1:8SG7/vwALn54lVB/0yZ/MMwhFrPYtpEHQb2IpWsCzug=