diff --git a/Documentation/RELEASE_NOTES.md b/Documentation/RELEASE_NOTES.md
index 11fcad06..4ab1d91a 100644
--- a/Documentation/RELEASE_NOTES.md
+++ b/Documentation/RELEASE_NOTES.md
@@ -1,6 +1,12 @@
 ## :arrow_double_up: [SDK version update guide](./../Guides/VERSION_UPDATE.md)
 
 ## Release Notes
+## Release Notes for 3.13.1
+#### April 25, 2024
+* Bug Fixes
+  * Fixed: Segmentation API callback with includeFirstLoad=true wasn't notified for empty (cache) vs empty (fetch) segmentations data
+
+
 ## Release Notes for 3.13.0
 #### April 16, 2024
 * Features
diff --git a/Guides/INSTALL.md b/Guides/INSTALL.md
index 91f5b8ff..59d57565 100644
--- a/Guides/INSTALL.md
+++ b/Guides/INSTALL.md
@@ -5,7 +5,7 @@
 2. Add ExponeaSDK dependency and sync your project
     ```groovy
     dependencies {
-        implementation 'com.exponea.sdk:sdk:3.13.0'
+        implementation 'com.exponea.sdk:sdk:3.13.1'
     }
     ```
 3. After synchronization is complete, you can start using the SDK.
diff --git a/README.md b/README.md
index e24d1b01..56671145 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Download via Gradle:
 
 ```groovy
 dependencies {
-  implementation 'com.exponea.sdk:sdk:3.13.0'
+  implementation 'com.exponea.sdk:sdk:3.13.1'
 }
 ```
 
@@ -32,7 +32,7 @@ Download via Maven:
 <dependency>
     <groupId>com.exponea.sdk</groupId>
     <artifactId>sdk</artifactId>
-    <version>3.13.0</version>
+    <version>3.13.1</version>
 </dependency>
 ```
 
diff --git a/app/build.gradle b/app/build.gradle
index a914f615..b6c807b0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,8 +15,8 @@ android {
         applicationId "com.exponea.example"
         minSdkVersion 21
         targetSdkVersion 33
-        versionCode 80
-        versionName "3.13.0"
+        versionCode 81
+        versionName "3.13.1"
         vectorDrawables.useSupportLibrary = true
     }
     compileOptions {
diff --git a/sdk/build.gradle b/sdk/build.gradle
index 52d4f01d..4bb0030b 100644
--- a/sdk/build.gradle
+++ b/sdk/build.gradle
@@ -11,8 +11,8 @@ android {
     defaultConfig {
         minSdkVersion 17
         targetSdkVersion 33
-        buildConfigField "String", "EXPONEA_VERSION_NAME", '"3.13.0"'
-        buildConfigField "int", "EXPONEA_VERSION_CODE", "75"
+        buildConfigField "String", "EXPONEA_VERSION_NAME", '"3.13.1"'
+        buildConfigField "int", "EXPONEA_VERSION_CODE", "76"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'proguard-rules.pro'
     }