diff --git a/README.md b/README.md
index 104b5a45..3e2b502f 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ service on new tcp:Listener(3000) {
 }
 
 service class EchoService {
+    *tcp:ConnectionService;
 
     remote function onBytes(readonly & byte[] data) returns byte[]|tcp:Error? {
         // echo back the data to the client
diff --git a/ballerina/Ballerina.toml b/ballerina/Ballerina.toml
index 91745c51..8181fc22 100644
--- a/ballerina/Ballerina.toml
+++ b/ballerina/Ballerina.toml
@@ -16,10 +16,10 @@ graalvmCompatible = true
 groupId = "io.ballerina.stdlib"
 artifactId = "tcp-native"
 version = "1.9.0"
-path = "../native/build/libs/tcp-native-1.9.0-SNAPSHOT.jar"
+path = "../native/build/libs/tcp-native-1.9.0.jar"
 
 [[platform.java17.dependency]]
-path = "../test-utils/build/libs/tcp-test-utils-1.9.0-SNAPSHOT.jar"
+path = "../test-utils/build/libs/tcp-test-utils-1.9.0.jar"
 scope = "testOnly"
 
 [[platform.java17.dependency]]
diff --git a/ballerina/CompilerPlugin.toml b/ballerina/CompilerPlugin.toml
index 044267f5..c6b40ef2 100644
--- a/ballerina/CompilerPlugin.toml
+++ b/ballerina/CompilerPlugin.toml
@@ -3,4 +3,4 @@ id = "tcp-plugin"
 class = "io.ballerina.stdlib.tcp.compiler.TcpCompilerPlugin"
 
 [[dependency]]
-path = "../compiler-plugin/build/libs/tcp-compiler-plugin-1.9.0-SNAPSHOT.jar"
+path = "../compiler-plugin/build/libs/tcp-compiler-plugin-1.9.0.jar"
diff --git a/ballerina/Dependencies.toml b/ballerina/Dependencies.toml
index acc9272a..4c359639 100644
--- a/ballerina/Dependencies.toml
+++ b/ballerina/Dependencies.toml
@@ -5,7 +5,7 @@
 
 [ballerina]
 dependencies-toml-version = "2"
-distribution-version = "2201.8.0-20230830-220400-8a7556d8"
+distribution-version = "2201.8.0"
 
 [[package]]
 org = "ballerina"
diff --git a/changelog.md b/changelog.md
index ac55cc06..464b79cb 100644
--- a/changelog.md
+++ b/changelog.md
@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [1.9.0] - 2023-09-15
+
+- This version maintains the latest dependency versions.
+
 ## [1.8.0] - 2023-06-30
 
 ### Fixed
diff --git a/gradle.properties b/gradle.properties
index 59238f72..c4c95fe7 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 org.gradle.caching=true
 group=io.ballerina.stdlib
-version=1.9.0-SNAPSHOT
-ballerinaLangVersion=2201.8.0-20230830-220400-8a7556d8
+version=1.9.1-SNAPSHOT
+ballerinaLangVersion=2201.8.0
 puppycrawlCheckstyleVersion=10.12.0
 githubJohnrengelmanShadowVersion=8.1.1
 checkstyleToolVersion=10.12.0
@@ -18,9 +18,9 @@ marshallingVersion=2.0.5.Final
 protobufVersion=3.20.3
 
 # Dependencies
-stdlibIoVersion=1.6.0-20230831-135000-049f91a
-stdlibLogVersion=2.9.0-20230831-153100-9b73447
-stdlibCryptoVersion=2.5.0-20230831-142400-f4a0d9f
-stdlibTimeVersion=2.4.0-20230831-134800-62143cd
-observeVersion=1.2.0-20230831-133600-6d16df4
-observeInternalVersion=1.2.0-20230831-141400-b3bbdc2
+stdlibIoVersion=1.6.0
+stdlibLogVersion=2.9.0
+stdlibCryptoVersion=2.5.0
+stdlibTimeVersion=2.4.0
+observeVersion=1.2.0
+observeInternalVersion=1.2.0