diff --git a/bin/zold-stress b/bin/zold-stress
index d39d4e2..d7f5f43 100755
--- a/bin/zold-stress
+++ b/bin/zold-stress
@@ -25,6 +25,7 @@ STDOUT.sync = true
 
 require 'slop'
 require 'rainbow'
+require 'concurrent'
 require 'zold/log'
 require 'zold/age'
 require 'zold/wallet'
@@ -120,6 +121,15 @@ Available options:"
     stats: stats, air: air, log: log, vlog: vlog, opts: opts
   )
 
+  log.info("Zold version: #{Zold::VERSION}")
+  log.info("Time: #{Time.now.utc.iso8601}; CPUs: #{Concurrent.processor_count}")
+  log.info("Home directory: #{home}")
+  log.info("Ruby version: #{RUBY_VERSION}/#{RUBY_PLATFORM}")
+  log.info("Zold gem version: #{Zold::VERSION}")
+  log.info("Zold protocol version: #{Zold::PROTOCOL}")
+  log.info("Network ID: #{opts['network']}")
+  log.info("Rounds: #{opts['rounds']}, threads: #{opts['threads']}, pool: #{opts['pool']}, batch: #{opts['batch']}")
+
   start = Time.now
   round.update
   round.prepare
diff --git a/zold-stress.gemspec b/zold-stress.gemspec
index d2aaa10..7fc86e9 100755
--- a/zold-stress.gemspec
+++ b/zold-stress.gemspec
@@ -41,7 +41,7 @@ Gem::Specification.new do |s|
   s.extra_rdoc_files = ['README.md', 'LICENSE.txt']
   s.add_runtime_dependency 'backtrace', '0.3.0'
   s.add_runtime_dependency 'parallelize', '0.4.1'
-  s.add_runtime_dependency 'zold', '0.16.22'
+  s.add_runtime_dependency 'zold'
   s.add_development_dependency 'codecov', '0.1.13'
   s.add_development_dependency 'minitest', '5.11.3'
   s.add_development_dependency 'random-port', '0.3.0'