diff --git a/.test/build.gradle.kts b/.test/build.gradle.kts
index 9b477a47..8ea50ed8 100644
--- a/.test/build.gradle.kts
+++ b/.test/build.gradle.kts
@@ -15,7 +15,7 @@ repositories {
 dependencies {
 testImplementation("org.junit.jupiter:junit-jupiter:5.13.4")
 testImplementation("org.amshove.kluent:kluent:1.73")
- testImplementation("org.jetbrains.kotlin:kotlin-compiler:1.9.25")
+ testImplementation("org.jetbrains.kotlin:kotlin-compiler:2.2.20")
 }
 
 tasks.test {
diff --git a/.test/buildSrc/build.gradle.kts b/.test/buildSrc/build.gradle.kts
index f57619a2..eee707e9 100644
--- a/.test/buildSrc/build.gradle.kts
+++ b/.test/buildSrc/build.gradle.kts
@@ -9,5 +9,5 @@ repositories {
 
 
 dependencies {
- implementation("org.jetbrains.kotlin:kotlin-compiler:1.9.25")
+ implementation("org.jetbrains.kotlin:kotlin-compiler:2.2.20")
 }
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<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/igorwojda/kotlin-coding-challenges/pull/175.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/igorwojda/kotlin-coding-challenges/pull/175.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
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<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
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