From 21bce4e15db52b46140c274531e505496e44ccab Mon Sep 17 00:00:00 2001
From: Tomoya Koyanagi <tomk79@gmail.com>
Date: Sun, 21 Jun 2020 16:00:13 +0900
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---
 README.md     |  4 ++++
 composer.json | 13 ++++++-------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 6c006937..3e8eaf66 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,10 @@ $ chmod -R 777 ./caches
 
 ## 更新履歴 - Change log
 
+### Pickles Framework 2.0.47 (リリース日未定)
+
+- 外部依存パッケージのバージョンを更新。
+
 ### Pickles Framework 2.0.46 (2020年6月7日)
 
 - `$px->mk_link()` に `target` オプションを追加。
diff --git a/composer.json b/composer.json
index 7cc9e6a3..934bf5e6 100644
--- a/composer.json
+++ b/composer.json
@@ -27,15 +27,14 @@
         "ext-mbstring": "*",
         "ext-pdo": "*",
         "ext-pdo_sqlite": "*",
-        "tomk79/filesystem": "^1.0.0",
-        "tomk79/request": "^1.0.0",
-        "michelf/php-markdown": ">=1.6.0",
-        "leafo/scssphp": ">=0.7.0"
+        "tomk79/filesystem": "~1.0",
+        "tomk79/request": "~1.0",
+        "michelf/php-markdown": "~1.6",
+        "leafo/scssphp": "~0.7"
     },
     "require-dev": {
-        "phpunit/phpunit": "^4.1.0" ,
-        "phpdocumentor/phpdocumentor": "^2.9.0",
-        "jms/serializer": "<1.8"
+        "phpunit/phpunit": "~4.1" ,
+        "phpdocumentor/phpdocumentor": "^2.9.0"
     },
     "autoload": {
         "files": [