diff --git a/pkg/version/check.go b/pkg/version/check.go
index 2be6566f2a3..92c8538d622 100644
--- a/pkg/version/check.go
+++ b/pkg/version/check.go
@@ -40,13 +40,13 @@ var (
 	minPDVersion = semver.New("5.1.0-alpha")
 	// maxPDVersion is the version of the maximum compatible PD.
 	// Compatible versions are in [minPDVersion, maxPDVersion)
-	maxPDVersion = semver.New("8.0.0")
+	maxPDVersion = semver.New("9.0.0")
 
 	// MinTiKVVersion is the version of the minimal compatible TiKV.
 	MinTiKVVersion = semver.New("5.1.0-alpha")
 	// maxTiKVVersion is the version of the maximum compatible TiKV.
 	// Compatible versions are in [MinTiKVVersion, maxTiKVVersion)
-	maxTiKVVersion = semver.New("8.0.0")
+	maxTiKVVersion = semver.New("9.0.0")
 
 	// CaptureInfo.Version is added since v4.0.11,
 	// we use the minimal release version as default.
@@ -56,7 +56,7 @@ var (
 	MinTiCDCVersion = semver.New("6.3.0-alpha")
 	// MaxTiCDCVersion is the version of the maximum allowed TiCDC version.
 	// for version `x.y.z`, max allowed `x+2.0.0`
-	MaxTiCDCVersion = semver.New("8.0.0-alpha")
+	MaxTiCDCVersion = semver.New("9.0.0-alpha")
 )
 
 var versionHash = regexp.MustCompile("-[0-9]+-g[0-9a-f]{7,}(-dev)?")
diff --git a/pkg/version/check_test.go b/pkg/version/check_test.go
index fad6a1587b8..9131e76bb9e 100644
--- a/pkg/version/check_test.go
+++ b/pkg/version/check_test.go
@@ -449,21 +449,21 @@ func TestCheckTiCDCVersion(t *testing.T) {
 
 	versions = map[string]struct{}{
 		"v6.3.0":       {},
-		"v8.0.0-alpha": {},
+		"v9.0.0-alpha": {},
 	}
 	err = CheckTiCDCVersion(versions)
 	require.Regexp(t, "TiCDC .* not supported, only support version less than.*", err)
 
 	versions = map[string]struct{}{
 		"v6.3.0":        {},
-		"v8.0.0-master": {},
+		"v9.0.0-master": {},
 	}
 	err = CheckTiCDCVersion(versions)
 	require.Regexp(t, "TiCDC .* not supported, only support version less than.*", err)
 
 	versions = map[string]struct{}{
 		"v6.3.0": {},
-		"v8.0.0": {},
+		"v9.0.0": {},
 	}
 	err = CheckTiCDCVersion(versions)
 	require.Regexp(t, "TiCDC .* not supported, only support version less than.*", err)