diff --git a/buildSrc/src/main/kotlin/Constants.kt b/buildSrc/src/main/kotlin/Constants.kt
index baf3f69c..377b4690 100644
--- a/buildSrc/src/main/kotlin/Constants.kt
+++ b/buildSrc/src/main/kotlin/Constants.kt
@@ -14,7 +14,7 @@ const val MainClass = "suwayomi.tachidesk.MainKt"
 // should be bumped with each stable release
 val tachideskVersion = System.getenv("ProductVersion") ?: "v0.4.7"
 
-val webUIRevisionTag = System.getenv("WebUIRevision") ?: "r38"
+val webUIRevisionTag = System.getenv("WebUIRevision") ?: "r39"
 
 // counts commits on the the master branch
 val tachideskRevision = runCatching {