diff --git a/.gitea/workflows/image-update-and-release.yaml b/.gitea/workflows/image-update-and-release.yaml
index fc27445..4ffcfb7 100644
--- a/.gitea/workflows/image-update-and-release.yaml
+++ b/.gitea/workflows/image-update-and-release.yaml
@@ -49,49 +49,18 @@ jobs:
           CURRENT=$(grep -A3 "php:" values.yaml | grep "tag:" | head -1 | sed 's/.*tag: *"\([^"]*\)".*/\1/' | tr -d ' ')
           echo "Current PHP: $CURRENT"
 
-          # Docker Hub API v2を使用してタグを取得
+          # jqの確認とインストール
+          if ! command -v jq &> /dev/null; then
+            echo "jq not found, installing..."
+            sudo apt-get update -qq && sudo apt-get install -y -qq jq
+          fi
+
+          # Docker Hub API v2を使用してタグを取得（fpm-alpineでフィルタ）
           echo "Fetching tags from Docker Hub..."
-
-          # Pythonを使用してJSONをパースし、タグを抽出
-          LATEST=$(python3 << 'PYTHON_SCRIPT'
-import sys
-import urllib.request
-import json
-import re
-
-url = "https://registry.hub.docker.com/v2/repositories/library/php/tags?page_size=100"
-try:
-    with urllib.request.urlopen(url) as response:
-        data = json.loads(response.read())
-        tags = [result['name'] for result in data.get('results', [])]
-
-        # パターン: 8.5.2-fpm-alpine3.23 形式
-        pattern = re.compile(r'^\d+\.\d+\.\d+-fpm-alpine\d+\.\d{2,3}$')
-        matching_tags = [tag for tag in tags if pattern.match(tag)]
-
-        # デバッグ出力
-        print("DEBUG: Available PHP tags (first 10):", file=sys.stderr)
-        for tag in [t for t in tags if 'fpm-alpine' in t][:10]:
-            print(f"  {tag}", file=sys.stderr)
-
-        print(f"DEBUG: Matching tags count: {len(matching_tags)}", file=sys.stderr)
-
-        if matching_tags:
-            # バージョンソート
-            def version_key(tag):
-                parts = tag.split('-')[0].split('.')
-                return tuple(int(p) for p in parts)
-
-            sorted_tags = sorted(matching_tags, key=version_key)
-            latest = sorted_tags[-1]
-            print(latest)
-        else:
-            print("", end="")
-except Exception as e:
-    print(f"ERROR: {e}", file=sys.stderr)
-    print("", end="")
-PYTHON_SCRIPT
-)
+          LATEST=$(curl -s "https://registry.hub.docker.com/v2/repositories/library/php/tags?page_size=100&name=fpm-alpine" | \
+            jq -r '.results[].name' | \
+            grep -E '^[0-9]+\.[0-9]+\.[0-9]+-fpm-alpine[0-9]+\.[0-9]{2,3}$' | \
+            sort -V | tail -1)
 
           echo "DEBUG: Matched LATEST=$LATEST"