-# 2.1.51 is the first version with support for polling arbitrarily
-# many file descriptors: earlier YAZ versions had a hardwired
-# 1024-element array so that working with more file descriptors than
-# this would cause a segmentation fault.
-check_version($yazver, "2.1.51");
+# 2.1.53 is the first version with ZOOM-C fixed to properly support
+# reconnection in asynchronous mode.
+check_version($yazver, "2.1.53");