diff --git a/src/main/java/io/numaproj/numaflow/info/Language.java b/src/main/java/io/numaproj/numaflow/info/Language.java
index 0e6f4e7b..752538a5 100644
--- a/src/main/java/io/numaproj/numaflow/info/Language.java
+++ b/src/main/java/io/numaproj/numaflow/info/Language.java
@@ -7,8 +7,6 @@
  * to form a contract between server and clients.
  */
 public enum Language {
-    GO("go"),
-    PYTHON("python"),
     JAVA("java");
 
     private final String name;
diff --git a/src/main/java/io/numaproj/numaflow/info/ServerInfo.java b/src/main/java/io/numaproj/numaflow/info/ServerInfo.java
index e5ba010e..625dc8bd 100644
--- a/src/main/java/io/numaproj/numaflow/info/ServerInfo.java
+++ b/src/main/java/io/numaproj/numaflow/info/ServerInfo.java
@@ -22,7 +22,9 @@
 @AllArgsConstructor
 public class ServerInfo {
     // Specify the minimum Numaflow version required by the current SDK version
-    public static final String MINIMUM_NUMAFLOW_VERSION = "1.3.0-rc1";
+    // To update this value, please follow the instructions for MINIMUM_NUMAFLOW_VERSION in
+    // https://github.com/numaproj/numaflow-rs/blob/main/src/shared.rs
+    public static final String MINIMUM_NUMAFLOW_VERSION = "1.3.1-z";
     @JsonProperty("protocol")
     private Protocol protocol;
     @JsonProperty("language")