diff --git a/Rakefile b/Rakefile
index 9317cbc..b08f86f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -8,19 +8,23 @@ Rake::TestTask.new(:core_test) do |t|
   t.test_files = FileList["test/**/*_test.rb"]
 end
 
-TOML_TEST = "./toml-test-v1.2.0-linux-amd64"
+TOML_TEST = "./toml-test-v1.6.0-linux-amd64"
 
 file TOML_TEST do
   require "open-uri"
   require "zlib"
-  URI.open("https://github.com/BurntSushi/toml-test/releases/download/v1.2.0/toml-test-v1.2.0-linux-amd64.gz", "rb") do |f|
+  URI.open("https://github.com/toml-lang/toml-test/releases/download/v1.6.0/toml-test-v1.6.0-linux-amd64.gz", "rb") do |f|
     File.binwrite(TOML_TEST, Zlib::GzipReader.new(f).read)
     File.chmod(0o755, TOML_TEST)
   end
 end
 
 task :toml_decoder_test => TOML_TEST do
-  sh "./toml-test-v1.2.0-linux-amd64", "./tool/decoder.rb"
+  sh TOML_TEST, "--toml", "1.0.0",
+    # https://github.com/toml-lang/toml-test/pull/174
+    "--skip", "invalid/control/multi-cr",
+    "--skip", "invalid/control/rawmulti-cr",
+    "./tool/decoder.rb"
 end
 
 task :toml_encoder_test => TOML_TEST do
@@ -29,7 +33,7 @@ task :toml_encoder_test => TOML_TEST do
     ENV["TOML_ENCODER_SORT_KEYS"] = mode[1]
     ENV["TOML_ENCODER_USE_LITERAL_STRING"] = mode[2]
     ENV["TOML_ENCODER_USE_MULTILINE_STRING"] = mode[3]
-    sh "./toml-test-v1.2.0-linux-amd64", "./tool/encoder.rb", "--encoder", "-skip", "valid/string/multiline-quotes"
+    sh TOML_TEST, "--encoder", "./tool/encoder.rb"
   end
 end