diff --git a/gem/Gemfile.lock b/gem/Gemfile.lock
index a9aa056..eee880a 100644
--- a/gem/Gemfile.lock
+++ b/gem/Gemfile.lock
@@ -5,7 +5,7 @@ PATH
       base64 (~> 0.3)
       json (~> 2.19)
       open3 (~> 0.2)
-      tucana (~> 0.0, >= 0.0.67)
+      tucana (~> 0.0, >= 0.0.72)
 
 GEM
   remote: https://rubygems.org/
diff --git a/gem/lib/triangulum/validation.rb b/gem/lib/triangulum/validation.rb
index c7b417f..2b52426 100644
--- a/gem/lib/triangulum/validation.rb
+++ b/gem/lib/triangulum/validation.rb
@@ -45,7 +45,9 @@ def run_ts_triangulum(input)
         stdin_data: input
       )
 
-      raise TriangulumFailed, "OUT:\n#{stdout_s}\n\nERR:\n#{stderr_s}" unless status.success?
+      unless status.success?
+        raise TriangulumFailed, "STATUS: #{status.exitstatus}\n\nOUT:\n#{stdout_s}\n\nERR:\n#{stderr_s}"
+      end
 
       stdout_s
     end