diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhDns.kt b/app/src/main/java/com/hippo/ehviewer/client/EhDns.kt
index 3200ec67c..4e69f58e5 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhDns.kt
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhDns.kt
@@ -27,7 +27,7 @@ object EhDns : Dns {
     private val builtInHosts: MutableMap<String, List<InetAddress>> = mutableMapOf()
 
     init {
-        /* Pair(ip: String!, blockedByCCP: Boolean!) */
+        // Pair(ip: String!, blockedByCCP: Boolean!)
         val ehgtHosts = arrayOf(
             Pair("37.48.89.44", false),
             Pair("81.171.10.48", false),
diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhTagDatabase.kt b/app/src/main/java/com/hippo/ehviewer/client/EhTagDatabase.kt
index de2a70e02..26efc7400 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhTagDatabase.kt
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhTagDatabase.kt
@@ -95,7 +95,7 @@ object EhTagDatabase : CoroutineScope {
         }
     }
 
-    /* Construct a cold flow for tag database suggestions */
+    // Construct a cold flow for tag database suggestions
     fun suggestFlow(
         keyword: String,
         translate: Boolean,
diff --git a/app/src/main/java/com/hippo/network/CookieDatabase.kt b/app/src/main/java/com/hippo/network/CookieDatabase.kt
index 5dcfc5fb0..4b1b7f54b 100644
--- a/app/src/main/java/com/hippo/network/CookieDatabase.kt
+++ b/app/src/main/java/com/hippo/network/CookieDatabase.kt
@@ -70,7 +70,7 @@ interface CookiesDao {
     fun update(cookie: Cookie)
 }
 
-/* 1 -> 2 some nullability changes */
+// 1 -> 2 some nullability changes
 @Database(
     entities = [Cookie::class],
     version = 2,
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
index e0b0a8a14..41e8ec722 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
@@ -594,7 +594,7 @@ class ReaderActivity : EhActivity() {
         val readerPreferences = EhApplication.readerPreferences
     }
 
-    /* Tachiyomi funcs */
+    // Tachiyomi funcs
 
     var isScrollingThroughPages = false
         private set
diff --git a/ktlint.gradle.kts b/ktlint.gradle.kts
index 3ba86dacb..aae818fb8 100644
--- a/ktlint.gradle.kts
+++ b/ktlint.gradle.kts
@@ -1,7 +1,7 @@
 val ktlint by configurations.creating
 
 dependencies {
-    ktlint("com.pinterest:ktlint:0.48.2") {
+    ktlint("com.pinterest:ktlint:0.49.0") {
         attributes {
             attribute(Bundling.BUNDLING_ATTRIBUTE, objects.named(Bundling.EXTERNAL))
         }