diff --git a/checkmarx-ast-cli.version b/checkmarx-ast-cli.version
index 6d6ae0c1..3b31fa0c 100644
--- a/checkmarx-ast-cli.version
+++ b/checkmarx-ast-cli.version
@@ -1 +1 @@
-2.3.20
+2.3.21
diff --git a/src/main/osinstaller/CxInstaller.ts b/src/main/osinstaller/CxInstaller.ts
index fd6a3af7..b7c65449 100644
--- a/src/main/osinstaller/CxInstaller.ts
+++ b/src/main/osinstaller/CxInstaller.ts
@@ -22,7 +22,7 @@ export class CxInstaller {
     private cliVersion: string;
     private readonly resourceDirPath: string;
     private readonly installedCLIVersionFileName = 'cli-version';
-    private readonly cliDefaultVersion = '2.3.20'; // Update this with the latest version.
+    private readonly cliDefaultVersion = '2.3.21'; // Update this with the latest version.
     private readonly client: AstClient;
 
     private static readonly PLATFORMS: Record<SupportedPlatforms, PlatformData> = {