diff --git a/scripts/artifacts/tag-rc2ga-on-repos.sh b/scripts/artifacts/tag-rc2ga-on-repos.sh
index 081b200f06..9b8ade6e6d 100755
--- a/scripts/artifacts/tag-rc2ga-on-repos.sh
+++ b/scripts/artifacts/tag-rc2ga-on-repos.sh
@@ -51,8 +51,8 @@ function tag_oci_artifact_repos() {
       "pingcap/tidb-binlog/package"
     )
   fi
-  # pingcap/ticdc/package published since v9.0.0
-  if [[ "$(printf '%s\n' "v9.0.0" "$ga_ver" | sort -V | head -n1)" == "v9.0.0" ]]; then
+  # pingcap/ticdc/package published since v8.5.4
+  if [[ "$(printf '%s\n' "v8.5.4" "$ga_ver" | sort -V | tail -n1)" == "$ga_ver" ]]; then
     repos+=(
       "pingcap/ticdc/package"
     )
@@ -115,8 +115,8 @@ function tag_oci_image_repos() {
       "pingcap/tidb-binlog/image"
     )
   fi
-  # ticdc will publish from ticdc repo since v9.0.0
-  if [[ "$(printf '%s\n' "v9.0.0" "$ga_ver" | sort -V | head -n1)" == "v9.0.0" ]]; then
+  # ticdc will publish from ticdc repo since v8.5.4
+  if [[ "$(printf '%s\n' "v8.5.4" "$ga_ver" | sort -V | tail -n1)" == "$ga_ver" ]]; then
     # remove "pingcap/tiflow/images/cdc":
     images=("${images[@]/pingcap\/tiflow\/images\/cdc/}")
     # Filter out empty elements that might result from the removal
diff --git a/scripts/flow/ga/collect-info-for-release-issue.sh b/scripts/flow/ga/collect-info-for-release-issue.sh
old mode 100644
new mode 100755
index b34d340680..b0e124973b
--- a/scripts/flow/ga/collect-info-for-release-issue.sh
+++ b/scripts/flow/ga/collect-info-for-release-issue.sh
@@ -1,8 +1,8 @@
 #! /usr/bin/env bash
 # This script collects information about the current release and generates markdown for release issues.
 
-previous_release="v8.5.1" # comment it when current release is not a patch release.
-current_release="v8.5.2"
+previous_release="v8.5.3" # comment it when current release is not a patch release.
+current_release="v8.5.4"
 
 ### !!! Please update the list of repositories before running this script.
 repos=(
@@ -15,7 +15,7 @@ repos=(
     pingcap/ng-monitoring
     pingcap/tidb-dashboard
 
-    pingcap/ticdc # started since v9.0.0
+    pingcap/ticdc # started since v8.5.4
     pingcap/tidb-tools # migrated to pingcap/tiflow since v9.0.0
     pingcap/tidb-binlog # deprecated since v8.3.0
 )
diff --git a/scripts/flow/rc/check-images-internal.ts b/scripts/flow/rc/check-images-internal.ts
index 11665603e2..e07cf33279 100755
--- a/scripts/flow/rc/check-images-internal.ts
+++ b/scripts/flow/rc/check-images-internal.ts
@@ -2,6 +2,11 @@
 import * as yaml from "jsr:@std/yaml@1.0.5";
 import { parseArgs } from "jsr:@std/cli@1.0.6";
 import { Octokit } from "https://esm.sh/octokit@4.0.2?dts";
+import {
+  greaterOrEqual,
+  lessThanOrEqual,
+  parse as parseSemver,
+} from "jsr:@std/semver@^1.0.4";
 
 const platforms = [
   "linux/amd64",
@@ -66,6 +71,34 @@ interface Results {
 
 type GitRepoImageMap = Record<string, string[]>;
 
+/**
+ * Normalize version string for semver parsing.
+ * Removes 'v' prefix and '-enterprise' suffix if present.
+ */
+function normalizeVersion(version: string): string {
+  return version.replace(/^v/, "").replace(/-enterprise$/, "");
+}
+
+/**
+ * Compare two version strings using semantic versioning.
+ * Returns true if version >= threshold.
+ */
+function versionGreaterOrEqual(version: string, threshold: string): boolean {
+  const v = parseSemver(normalizeVersion(version));
+  const t = parseSemver(normalizeVersion(threshold));
+  return greaterOrEqual(v, t);
+}
+
+/**
+ * Compare two version strings using semantic versioning.
+ * Returns true if version <= threshold.
+ */
+function versionLessThanOrEqual(version: string, threshold: string): boolean {
+  const v = parseSemver(normalizeVersion(version));
+  const t = parseSemver(normalizeVersion(threshold));
+  return lessThanOrEqual(v, t);
+}
+
 function validate(info: ImageInfo) {
   info.ok = true;
   // assert all git sha are same in oci files.
@@ -152,11 +185,11 @@ async function checkImages(
   const results = {} as Record<string, ImageInfo>;
   for (const [gitRepo, map] of Object.entries(mm)) {
     // tidb-binlog is deprecated since v8.4.0, skip it.
-    if (version >= "v8.4.0" && gitRepo === "pingcap/tidb-binlog") {
+    if (versionGreaterOrEqual(version, "v8.4.0") && gitRepo === "pingcap/tidb-binlog") {
       continue;
     }
-    // ticdc is initilized since v9.0.0
-    if (version <= "v8.5.3" && gitRepo === "pingcap/ticdc") {
+    // ticdc is initilized since v8.5.4
+    if (versionLessThanOrEqual(version, "v8.5.3") && gitRepo === "pingcap/ticdc") {
       continue;
     }
 
@@ -164,7 +197,7 @@ async function checkImages(
     const gitSha = await gatheringGithubGitSha(ghClient, gitRepo, branch);
 
     for (const src of map) {
-      if (version >= "v8.5.4" && src === "pingcap/tiflow/images/cdc") {
+      if (versionGreaterOrEqual(version, "v8.5.4") && src === "pingcap/tiflow/images/cdc") {
         continue;
       }
       const imageUrl = `${oci_registry}/${src}:${version}`;
diff --git a/scripts/flow/rc/check-tiup.ts b/scripts/flow/rc/check-tiup.ts
index 4da3e1456d..642d239220 100755
--- a/scripts/flow/rc/check-tiup.ts
+++ b/scripts/flow/rc/check-tiup.ts
@@ -220,8 +220,8 @@ async function main(
     if (version >= "v8.4.0" && ociRepo === "pingcap/tidb-binlog/package") {
       continue;
     }
-    // ticdc is initilized since v9.0.0
-    if (version <= "v9.0.0" && ociRepo === "pingcap/ticdc/package") {
+    // ticdc is initilized since v8.5.4
+    if (version <= "v8.5.4" && ociRepo === "pingcap/ticdc/package") {
       continue;
     }