diff --git a/conformance-tests/client-jdk-http-client/pom.xml b/conformance-tests/client-jdk-http-client/pom.xml
index eb01226..c248395 100644
--- a/conformance-tests/client-jdk-http-client/pom.xml
+++ b/conformance-tests/client-jdk-http-client/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>conformance-tests</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>client-jdk-http-client</artifactId>
 	<packaging>jar</packaging>
@@ -24,7 +24,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 		</dependency>
 
 		<!-- Logging -->
diff --git a/conformance-tests/pom.xml b/conformance-tests/pom.xml
index 74a7dad..ecae568 100644
--- a/conformance-tests/pom.xml
+++ b/conformance-tests/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>conformance-tests</artifactId>
 	<packaging>pom</packaging>
diff --git a/conformance-tests/server-servlet/pom.xml b/conformance-tests/server-servlet/pom.xml
index 3f18790..4ac5de4 100644
--- a/conformance-tests/server-servlet/pom.xml
+++ b/conformance-tests/server-servlet/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>conformance-tests</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>server-servlet</artifactId>
 	<packaging>jar</packaging>
@@ -24,7 +24,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
diff --git a/mcp-bom/pom.xml b/mcp-bom/pom.xml
index 0af7c86..ab952a5 100644
--- a/mcp-bom/pom.xml
+++ b/mcp-bom/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.modelcontextprotocol.sdk</groupId>
         <artifactId>mcp-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>mcp-bom</artifactId>
diff --git a/mcp-core/pom.xml b/mcp-core/pom.xml
index b370691..93fb8b5 100644
--- a/mcp-core/pom.xml
+++ b/mcp-core/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp-core</artifactId>
 	<packaging>jar</packaging>
diff --git a/mcp-json-jackson2/pom.xml b/mcp-json-jackson2/pom.xml
index a092312..6f0b955 100644
--- a/mcp-json-jackson2/pom.xml
+++ b/mcp-json-jackson2/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp-json-jackson2</artifactId>
 	<packaging>jar</packaging>
@@ -70,7 +70,7 @@
         <dependency>
         	<groupId>io.modelcontextprotocol.sdk</groupId>
         	<artifactId>mcp-core</artifactId>
-        	<version>0.18.2</version>
+        	<version>0.18.3-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>com.networknt</groupId>
diff --git a/mcp-json-jackson3/pom.xml b/mcp-json-jackson3/pom.xml
index f256e5b..7f7c319 100644
--- a/mcp-json-jackson3/pom.xml
+++ b/mcp-json-jackson3/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp-json-jackson3</artifactId>
 	<packaging>jar</packaging>
@@ -64,7 +64,7 @@
         <dependency>
         	<groupId>io.modelcontextprotocol.sdk</groupId>
         	<artifactId>mcp-core</artifactId>
-        	<version>0.18.2</version>
+        	<version>0.18.3-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>tools.jackson.core</groupId>
diff --git a/mcp-spring/mcp-spring-webflux/pom.xml b/mcp-spring/mcp-spring-webflux/pom.xml
index a458191..3bec24c 100644
--- a/mcp-spring/mcp-spring-webflux/pom.xml
+++ b/mcp-spring/mcp-spring-webflux/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>mcp-spring-webflux</artifactId>
@@ -26,13 +26,13 @@
         <dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-core</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-test</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 
@@ -45,7 +45,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-json-jackson2</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 
diff --git a/mcp-spring/mcp-spring-webmvc/pom.xml b/mcp-spring/mcp-spring-webmvc/pom.xml
index 7268d5d..46afdac 100644
--- a/mcp-spring/mcp-spring-webmvc/pom.xml
+++ b/mcp-spring/mcp-spring-webmvc/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>mcp-spring-webmvc</artifactId>
@@ -26,7 +26,7 @@
         <dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-core</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
@@ -38,21 +38,21 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-test</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-spring-webflux</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-json-jackson2</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 
diff --git a/mcp-test/pom.xml b/mcp-test/pom.xml
index 3fba52a..8b4a8f6 100644
--- a/mcp-test/pom.xml
+++ b/mcp-test/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp-test</artifactId>
 	<packaging>jar</packaging>
@@ -24,7 +24,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-core</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
@@ -156,7 +156,7 @@
 				<dependency>
 					<groupId>io.modelcontextprotocol.sdk</groupId>
 					<artifactId>mcp-json-jackson3</artifactId>
-					<version>0.18.2</version>
+					<version>0.18.3-SNAPSHOT</version>
 					<scope>test</scope>
 				</dependency>
 			</dependencies>
@@ -170,7 +170,7 @@
 				<dependency>
 					<groupId>io.modelcontextprotocol.sdk</groupId>
 					<artifactId>mcp-json-jackson2</artifactId>
-					<version>0.18.2</version>
+					<version>0.18.3-SNAPSHOT</version>
 					<scope>test</scope>
 				</dependency>
 			</dependencies>
diff --git a/mcp/pom.xml b/mcp/pom.xml
index 65f4a0d..a2770c5 100644
--- a/mcp/pom.xml
+++ b/mcp/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.18.2</version>
+		<version>0.18.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp</artifactId>
 	<packaging>jar</packaging>
@@ -25,13 +25,13 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-json-jackson2</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-core</artifactId>
-			<version>0.18.2</version>
+			<version>0.18.3-SNAPSHOT</version>
 		</dependency>
 	</dependencies>
 
diff --git a/pom.xml b/pom.xml
index 64e723a..cdec9d4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>io.modelcontextprotocol.sdk</groupId>
 	<artifactId>mcp-parent</artifactId>
-	<version>0.18.2</version>
+	<version>0.18.3-SNAPSHOT</version>
 
 	<packaging>pom</packaging>
 	<url>https://github.com/modelcontextprotocol/java-sdk</url>