diff --git a/server/server_version.cc b/server/server_version.cc
index 207d738..c99a239 100644
--- a/server/server_version.cc
+++ b/server/server_version.cc
@@ -54,7 +54,8 @@ static const std::string VersionName =
 //	"(35) Bad Berleburg";    // fix the fork() problem on MacOS. daemonize() now got a function parameter. \o/
 //	"(36) Hatzfeld";         // JSON-81: add package_version, rename "version" into "api_version" in ServerVersion, add versions from the Engine, too
 //	"(37) Battenberg";       // JSON-75: change debonize() behavior, especially on MS Windows
-	"(38) Frankenberg";      // JSON-92: API CHANGE: decrypt_message() has InOut src message, MIME_decrypt_message() returns changed src msg, too.
+//	"(38) Frankenberg";      // JSON-92: API CHANGE: decrypt_message() has InOut src message, MIME_decrypt_message() returns changed src msg, too.
+	"(39) Gemünden";         // JSON-93: support for InLengt<> to calculate string lengths automatically.
 
 //const ServerVersion sv{0, 10, 0, version_name};  // first version defined.
 //const ServerVersion sv{0, 11, 0, version_name};  // add set_own_key()
@@ -65,7 +66,8 @@ static const std::string VersionName =
 //const ServerVersion sv(0,13,1);  // JSON-91: add MIME_encrypt_message_for_self() and encrypt_message_for_self()
 //const ServerVersion sv(0,14,0);  // JSON-75: incompatible behavior of daemonize() especially in MS Windows
 //const ServerVersion sv(0,15,0);  // JSON-92: API CHANGE.
-const ServerVersion sv(0,15,1);  // JSON-92 again: Change "keylist" in (MIME_)decrypt_message() from Out to InOutP. Is a compatible API change for JSON/JavaScript due to the handling of output parameters. :-)
+//const ServerVersion sv(0,15,1);  // JSON-92 again: Change "keylist" in (MIME_)decrypt_message() from Out to InOutP. Is a compatible API change for JSON/JavaScript due to the handling of output parameters. :-)
+const ServerVersion sv(0,15,2);  // JSON-93 InLength<> is a compatible API change, because length parameter is still there but ignored. :-)
 
 } // end of anonymous namespace
 ////////////////////////////////////////////////////////////////////////////