diff --git a/conformance-tests/client-jdk-http-client/pom.xml b/conformance-tests/client-jdk-http-client/pom.xml
index b1bb24c..d913a03 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>1.1.0</version>
+		<version>1.1.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>client-jdk-http-client</artifactId>
 	<packaging>jar</packaging>
@@ -28,7 +28,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp</artifactId>
-			<version>1.1.0</version>
+			<version>1.1.1-SNAPSHOT</version>
 		</dependency>
 
 		<!-- Logging -->
diff --git a/conformance-tests/client-spring-http-client/pom.xml b/conformance-tests/client-spring-http-client/pom.xml
index 0b222f0..8012025 100644
--- a/conformance-tests/client-spring-http-client/pom.xml
+++ b/conformance-tests/client-spring-http-client/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>conformance-tests</artifactId>
-		<version>1.1.0</version>
+		<version>1.1.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>client-spring-http-client</artifactId>
 	<packaging>jar</packaging>
diff --git a/conformance-tests/pom.xml b/conformance-tests/pom.xml
index 67474f8..9e0a526 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>1.1.0</version>
+		<version>1.1.1-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 d67161f..24b5046 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>1.1.0</version>
+		<version>1.1.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>server-servlet</artifactId>
 	<packaging>jar</packaging>
@@ -28,7 +28,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp</artifactId>
-			<version>1.1.0</version>
+			<version>1.1.1-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
diff --git a/mcp-bom/pom.xml b/mcp-bom/pom.xml
index c3fd5ca..a23fb8b 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>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>mcp-bom</artifactId>
diff --git a/mcp-core/pom.xml b/mcp-core/pom.xml
index 0ef7e26..50e49b7 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>1.1.0</version>
+		<version>1.1.1-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 3af3d0f..f1f6f93 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>1.1.0</version>
+		<version>1.1.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp-json-jackson2</artifactId>
 	<packaging>jar</packaging>
@@ -72,7 +72,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-core</artifactId>
-			<version>1.1.0</version>
+			<version>1.1.1-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>com.networknt</groupId>
diff --git a/mcp-json-jackson3/pom.xml b/mcp-json-jackson3/pom.xml
index 6fe5516..ed17c14 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>1.1.0</version>
+		<version>1.1.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp-json-jackson3</artifactId>
 	<packaging>jar</packaging>
@@ -66,7 +66,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-core</artifactId>
-			<version>1.1.0</version>
+			<version>1.1.1-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>tools.jackson.core</groupId>
diff --git a/mcp-test/pom.xml b/mcp-test/pom.xml
index 4c8618f..5d8b031 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>1.1.0</version>
+		<version>1.1.1-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>1.1.0</version>
+			<version>1.1.1-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
@@ -159,7 +159,7 @@
 				<dependency>
 					<groupId>io.modelcontextprotocol.sdk</groupId>
 					<artifactId>mcp-json-jackson3</artifactId>
-					<version>1.1.0</version>
+					<version>1.1.1-SNAPSHOT</version>
 					<scope>test</scope>
 				</dependency>
 			</dependencies>
@@ -170,7 +170,7 @@
 				<dependency>
 					<groupId>io.modelcontextprotocol.sdk</groupId>
 					<artifactId>mcp-json-jackson2</artifactId>
-					<version>1.1.0</version>
+					<version>1.1.1-SNAPSHOT</version>
 					<scope>test</scope>
 				</dependency>
 			</dependencies>
diff --git a/mcp/pom.xml b/mcp/pom.xml
index 91eba35..f39b78a 100644
--- a/mcp/pom.xml
+++ b/mcp/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>1.1.0</version>
+		<version>1.1.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>mcp</artifactId>
 	<packaging>jar</packaging>
@@ -25,13 +25,13 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-json-jackson3</artifactId>
-			<version>1.1.0</version>
+			<version>1.1.1-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-core</artifactId>
-			<version>1.1.0</version>
+			<version>1.1.1-SNAPSHOT</version>
 		</dependency>
 	</dependencies>
 
diff --git a/pom.xml b/pom.xml
index 3b3dc0e..67cf3dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>io.modelcontextprotocol.sdk</groupId>
 	<artifactId>mcp-parent</artifactId>
-	<version>1.1.0</version>
+	<version>1.1.1-SNAPSHOT</version>
 
 	<packaging>pom</packaging>
 	<url>https://github.com/modelcontextprotocol/java-sdk</url>