diff --git a/app/include/plasp-app/Command.h b/app/include/plasp-app/Command.h
index d006fc4..5755ee3 100644
--- a/app/include/plasp-app/Command.h
+++ b/app/include/plasp-app/Command.h
@@ -48,12 +48,12 @@ class Command
 
 		void parseOptions(int argc, char **argv)
 		{
-			m_options.parse(argc, argv);
+			const auto parseResult = m_options.parse(argc, argv);
 
 			forEach(m_optionGroups,
 				[&](auto &optionGroup)
 		        {
-					optionGroup.parse(m_options);
+					optionGroup.read(parseResult);
 				});
 		}
 
diff --git a/app/include/plasp-app/OptionGroups.h b/app/include/plasp-app/OptionGroups.h
index 885bf2d..29cf1ed 100644
--- a/app/include/plasp-app/OptionGroups.h
+++ b/app/include/plasp-app/OptionGroups.h
@@ -30,7 +30,7 @@ struct OptionGroupBasic
 	static constexpr const auto Name = "basic";
 
 	void addTo(cxxopts::Options &options);
-	void parse(cxxopts::Options &options);
+	void read(const cxxopts::ParseResult &parseResult);
 
 	bool help = false;
 	bool version = false;
@@ -44,7 +44,7 @@ struct OptionGroupOutput
 	static constexpr const auto Name = "output";
 
 	void addTo(cxxopts::Options &options);
-	void parse(cxxopts::Options &options);
+	void read(const cxxopts::ParseResult &parseResult);
 
 	colorlog::ColorStream::ColorPolicy colorPolicy = colorlog::ColorStream::ColorPolicy::Auto;
 	colorlog::Priority logPriority = colorlog::Priority::Info;
@@ -57,7 +57,7 @@ struct OptionGroupParser
 	static constexpr const auto Name = "parser";
 
 	void addTo(cxxopts::Options &options);
-	void parse(cxxopts::Options &options);
+	void read(const cxxopts::ParseResult &parseResult);
 
 	std::vector<std::string> inputFiles;
 	pddl::Mode parsingMode = pddl::Mode::Strict;
diff --git a/app/src/plasp-app/OptionGroups.cpp b/app/src/plasp-app/OptionGroups.cpp
index 4940f83..cea4f40 100644
--- a/app/src/plasp-app/OptionGroups.cpp
+++ b/app/src/plasp-app/OptionGroups.cpp
@@ -21,11 +21,11 @@ void OptionGroupBasic::addTo(cxxopts::Options &options)
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-void OptionGroupBasic::parse(cxxopts::Options &options)
+void OptionGroupBasic::read(const cxxopts::ParseResult &parseResult)
 {
-	help = options["help"].as<bool>();
-	version = options["version"].as<bool>();
-	warningsAsErrors = options["warnings-as-errors"].as<bool>();
+	help = (parseResult.count("help") > 0);
+	version = (parseResult.count("version") > 0);
+	warningsAsErrors = (parseResult.count("warnings-as-errors") > 0);
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -44,9 +44,9 @@ void OptionGroupOutput::addTo(cxxopts::Options &options)
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-void OptionGroupOutput::parse(cxxopts::Options &options)
+void OptionGroupOutput::read(const cxxopts::ParseResult &parseResult)
 {
-	const auto colorPolicyString = options["color"].as<std::string>();
+	const auto colorPolicyString = parseResult["color"].as<std::string>();
 
 	if (colorPolicyString == "auto")
 		colorPolicy = colorlog::ColorStream::ColorPolicy::Auto;
@@ -57,7 +57,7 @@ void OptionGroupOutput::parse(cxxopts::Options &options)
 	else
 		throw OptionException("unknown color policy “" + colorPolicyString + "”");
 
-	const auto logPriorityString = options["log-priority"].as<std::string>();
+	const auto logPriorityString = parseResult["log-priority"].as<std::string>();
 
 	try
 	{
@@ -88,19 +88,19 @@ void OptionGroupParser::addTo(cxxopts::Options &options)
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-void OptionGroupParser::parse(cxxopts::Options &options)
+void OptionGroupParser::read(const cxxopts::ParseResult &parseResult)
 {
-	const auto parsingModeString = options["parsing-mode"].as<std::string>();
+	const auto parsingModeString = parseResult["parsing-mode"].as<std::string>();
 
 	if (parsingModeString == "compatibility")
 		parsingMode = pddl::Mode::Compatibility;
 	else if (parsingModeString != "strict")
 		throw OptionException("unknown parsing mode “" + parsingModeString + "”");
 
-	if (options.count("input"))
-		inputFiles = options["input"].as<std::vector<std::string>>();
+	if (parseResult.count("input"))
+		inputFiles = parseResult["input"].as<std::vector<std::string>>();
 
-	const auto languageName = options["language"].as<std::string>();
+	const auto languageName = parseResult["language"].as<std::string>();
 	language = plasp::Language::fromString(languageName);
 
 	if (language == plasp::Language::Type::Unknown)
diff --git a/lib/cxxopts b/lib/cxxopts
index 0b76869..8893afe 160000
--- a/lib/cxxopts
+++ b/lib/cxxopts
@@ -1 +1 @@
-Subproject commit 0b7686949d01f6475cc13ba0693725aefb76fc0c
+Subproject commit 8893afe13cc47dd0be4f25b5ae491e652c146098