diff --git a/TelegramBotAPI-all/build.gradle b/TelegramBotAPI-all/build.gradle
index a24eceae69..da9fdb7d1d 100644
--- a/TelegramBotAPI-all/build.gradle
+++ b/TelegramBotAPI-all/build.gradle
@@ -32,7 +32,7 @@ repositories {
 kotlin {
     jvm()
     js {
-        browser()
+        browser { dceTask { keep "${project.name}.$library_group" } }
         nodejs()
     }
 
diff --git a/TelegramBotAPI-extensions-api/build.gradle b/TelegramBotAPI-extensions-api/build.gradle
index 3334bf03aa..b472b426b5 100644
--- a/TelegramBotAPI-extensions-api/build.gradle
+++ b/TelegramBotAPI-extensions-api/build.gradle
@@ -32,7 +32,7 @@ repositories {
 kotlin {
     jvm()
     js {
-        browser()
+        browser { dceTask { keep "${project.name}.$library_group" } }
         nodejs()
     }
 
diff --git a/TelegramBotAPI-extensions-utils/build.gradle b/TelegramBotAPI-extensions-utils/build.gradle
index 3334bf03aa..b472b426b5 100644
--- a/TelegramBotAPI-extensions-utils/build.gradle
+++ b/TelegramBotAPI-extensions-utils/build.gradle
@@ -32,7 +32,7 @@ repositories {
 kotlin {
     jvm()
     js {
-        browser()
+        browser { dceTask { keep "${project.name}.$library_group" } }
         nodejs()
     }
 
diff --git a/TelegramBotAPI/build.gradle b/TelegramBotAPI/build.gradle
index dc6d9b7f4b..62c7070d6b 100644
--- a/TelegramBotAPI/build.gradle
+++ b/TelegramBotAPI/build.gradle
@@ -32,7 +32,7 @@ repositories {
 kotlin {
     jvm()
     js {
-        browser()
+        browser { dceTask { keep "${project.name}.$library_group" } }
         nodejs()
     }
 
diff --git a/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/BotCommand.kt b/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/BotCommand.kt
index 3ac9d3470d..fb95cc9853 100644
--- a/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/BotCommand.kt
+++ b/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/BotCommand.kt
@@ -4,7 +4,9 @@ import com.github.insanusmokrassar.TelegramBotAPI.utils.throwRangeError
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
-val BotCommandNameRegex = Regex("^[a-z_0-9]{${botCommandLengthLimit.first},${botCommandLengthLimit.last}}$")
+val BotCommandNameRegex by lazy {
+    Regex("^[a-z_0-9]{${botCommandLengthLimit.first},${botCommandLengthLimit.last}}$")
+}
 
 @Serializable
 data class BotCommand(
diff --git a/docs/build.gradle b/docs/build.gradle
index 5131e7e4b3..a73a3f0fdd 100644
--- a/docs/build.gradle
+++ b/docs/build.gradle
@@ -27,7 +27,7 @@ repositories {
 kotlin {
     jvm()
     js {
-        browser()
+        browser { dceTask { keep "${project.name}.$library_group" } }
         nodejs()
     }