diff --git a/ballerina/Ballerina.toml b/ballerina/Ballerina.toml
index 93a9f02..e4f46df 100644
--- a/ballerina/Ballerina.toml
+++ b/ballerina/Ballerina.toml
@@ -1,7 +1,7 @@
 [package]
 org = "ballerina"
 name = "observe"
-version = "1.5.0"
+version = "1.5.1"
 distribution = "2201.11.0"
 
 [[package.modules]]
@@ -13,7 +13,7 @@ export = true
 graalvmCompatible = true
 
 [[platform.java21.dependency]]
-path = "../native/build/libs/observe-native-1.5.0.jar"
+path = "../native/build/libs/observe-native-1.5.1.jar"
 groupId = "ballerina"
 artifactId = "observe"
 
diff --git a/ballerina/Dependencies.toml b/ballerina/Dependencies.toml
index 6ed799a..5e21c37 100644
--- a/ballerina/Dependencies.toml
+++ b/ballerina/Dependencies.toml
@@ -18,7 +18,7 @@ modules = [
 [[package]]
 org = "ballerina"
 name = "observe"
-version = "1.5.0"
+version = "1.5.1"
 dependencies = [
 	{org = "ballerina", name = "jballerina.java"}
 ]
diff --git a/gradle.properties b/gradle.properties
index ba95e82..cfe52ad 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -14,7 +14,7 @@
 
 org.gradle.caching=true
 group=io.ballerina.stdlib
-version=1.5.0
+version=1.5.1
 ballerinaLangVersion=2201.12.0
 
 spotbugsPluginVersion=6.0.18