diff --git a/ESP32/esp32/ESP32-S3-Touch-AMOLED-2.16/main-device/shine_homeserver_main/shine_homeserver_main.ino b/ESP32/esp32/ESP32-S3-Touch-AMOLED-2.16/main-device/shine_homeserver_main/shine_homeserver_main.ino
index 708b358..6232505 100644
--- a/ESP32/esp32/ESP32-S3-Touch-AMOLED-2.16/main-device/shine_homeserver_main/shine_homeserver_main.ino
+++ b/ESP32/esp32/ESP32-S3-Touch-AMOLED-2.16/main-device/shine_homeserver_main/shine_homeserver_main.ino
@@ -585,13 +585,17 @@ static void sha256calc(const uint8_t *in, size_t len, uint8_t *out32) {
 }
 
 static String base64Std(const uint8_t *data, size_t len) {
-  char out[96] = {};
+  size_t needed = ((len + 2) / 3) * 4 + 4;
+  std::vector<uint8_t> out(needed, 0);
   size_t outLen = 0;
-  if (mbedtls_base64_encode(reinterpret_cast<uint8_t *>(out), sizeof(out), &outLen, data, len) != 0) {
+  if (mbedtls_base64_encode(out.data(), out.size(), &outLen, data, len) != 0) {
     return "";
   }
-  out[min(outLen, sizeof(out) - 1)] = '\0';
-  return String(out);
+  if (outLen >= out.size()) {
+    return "";
+  }
+  out[outLen] = '\0';
+  return String(reinterpret_cast<const char *>(out.data()));
 }
 
 static String base58From32(const uint8_t *data32) {
diff --git a/VERSION.properties b/VERSION.properties
index 8539140..6f8bed5 100644
--- a/VERSION.properties
+++ b/VERSION.properties
@@ -1,2 +1,2 @@
-client.version=1.2.167
-server.version=1.2.156
+client.version=1.2.168
+server.version=1.2.157