diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b4fcd9fc1..a23f137160 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # TelegramBotAPI changelog
 
+## 27.1.1
+
+* `Version`:
+  * `MicroUtils`: `0.26.1` -> `0.26.2`
+* `Core`:
+  * Make `BusinessLocation#location` optional (fix of [#990](https://github.com/InsanusMokrassar/ktgbotapi/issues/990))
+
 ## 27.1.0
 
 * `Core`:
diff --git a/gradle.properties b/gradle.properties
index 7b9ca0f16e..c1612639f1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,4 +9,4 @@ kotlin.incremental.js=true
 ksp.useKSP2=false
 
 library_group=dev.inmo
-library_version=27.1.0
+library_version=27.1.1
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index cc13760bd5..f02eaf1cfb 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,9 +11,9 @@ uuid = "0.8.4"
 ktor = "3.2.2"
 
 ksp = "2.2.0-2.0.2"
-kotlin-poet = "2.0.0"
+kotlin-poet = "2.2.0"
 
-microutils = "0.26.1"
+microutils = "0.26.2"
 kslog = "1.5.0"
 
 versions = "0.52.0"
diff --git a/tgbotapi.core/api/tgbotapi.core.api b/tgbotapi.core/api/tgbotapi.core.api
index ef4a3c43cf..9c56d7a67c 100644
--- a/tgbotapi.core/api/tgbotapi.core.api
+++ b/tgbotapi.core/api/tgbotapi.core.api
@@ -14550,6 +14550,7 @@ public final class dev/inmo/tgbotapi/types/business_connection/BusinessIntro$Com
 public final class dev/inmo/tgbotapi/types/business_connection/BusinessLocation {
 	public static final field Companion Ldev/inmo/tgbotapi/types/business_connection/BusinessLocation$Companion;
 	public fun <init> (Ljava/lang/String;Ldev/inmo/tgbotapi/types/location/StaticLocation;)V
+	public synthetic fun <init> (Ljava/lang/String;Ldev/inmo/tgbotapi/types/location/StaticLocation;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public final fun component1 ()Ljava/lang/String;
 	public final fun component2 ()Ldev/inmo/tgbotapi/types/location/StaticLocation;
 	public final fun copy (Ljava/lang/String;Ldev/inmo/tgbotapi/types/location/StaticLocation;)Ldev/inmo/tgbotapi/types/business_connection/BusinessLocation;
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessLocation.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessLocation.kt
index 8d8ea9aa21..26620fc9c6 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessLocation.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessLocation.kt
@@ -11,5 +11,5 @@ data class BusinessLocation(
     @SerialName(addressField)
     val address: String,
     @SerialName(locationField)
-    val location: StaticLocation
+    val location: StaticLocation? = null
 )