diff --git a/README.md b/README.md
index 0521ebc..52134f7 100644
--- a/README.md
+++ b/README.md
@@ -40,13 +40,13 @@ Maven:
     <dependency>
       <groupId>com.github.mikesafonov</groupId>
       <artifactId>spring-boot-starter-smpp</artifactId>
-      <version>1.2.0</version>
+      <version>1.2.1</version>
     </dependency>
     
 Gradle:
 
     dependencies {
-        implementation 'com.github.mikesafonov:spring-boot-starter-smpp:1.2.0'
+        implementation 'com.github.mikesafonov:spring-boot-starter-smpp:1.2.1'
     }
     
 Configure spring-boot application via properties (see [Configuration](#Configuration) section).
diff --git a/build.gradle b/build.gradle
index 5cfba99..d97d139 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ repositories {
 }
 
 group = "com.github.mikesafonov"
-version "1.2.0"
+version "1.2.1"
 
 jar {
     enabled = true
diff --git a/sonar-project.properties b/sonar-project.properties
index e34de2d..8fcdb88 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -1,6 +1,6 @@
 sonar.projectKey=MikeSafonov_spring-boot-starter-smpp
 sonar.projectName=spring-boot-starter-smpp
-sonar.projectVersion=1.2.0
+sonar.projectVersion=1.2.1
 sonar.sources=src/main
 sonar.tests=src/test
 sonar.coverage.jacoco.xmlReportPaths=build/reports/jacoco/test/jacocoTestReport.xml