--- a/crates/jrsonnet-cli/src/ext.rs
+++ b/crates/jrsonnet-cli/src/ext.rs
@@ -61,19 +61,40 @@
 	/// to use top level arguments whenever it's possible.
 	/// If [=data] is not set then it will be read from `name` env variable.
 	/// Can be accessed from code via `std.extVar("name")`.
-	#[clap(long, short = 'V', name = "name[=var data]", number_of_values = 1)]
+	#[clap(
+		long,
+		short = 'V',
+		name = "name[=var data]",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	ext_str: Vec<ExtStr>,
 	/// Read string external variable from file.
 	/// See also `--ext-str`
-	#[clap(long, name = "name=var path", number_of_values = 1)]
+	#[clap(
+		long,
+		name = "name=var path",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	ext_str_file: Vec<ExtFile>,
 	/// Add external variable from code.
 	/// See also `--ext-str`
-	#[clap(long, name = "name[=var source]", number_of_values = 1)]
+	#[clap(
+		long,
+		name = "name[=var source]",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	ext_code: Vec<ExtStr>,
 	/// Read string external variable from file.
 	/// See also `--ext-str`
-	#[clap(long, name = "name=var code path", number_of_values = 1)]
+	#[clap(
+		long,
+		name = "name=var code path",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	ext_code_file: Vec<ExtFile>,
 }
 impl ConfigureState for ExtVarOpts {
--- a/crates/jrsonnet-cli/src/tla.rs
+++ b/crates/jrsonnet-cli/src/tla.rs
@@ -9,19 +9,40 @@
 	/// Top level arguments will be passed to function before manifestification stage.
 	/// This is preferred to ExtVars method.
 	/// If [=data] is not set then it will be read from `name` env variable.
-	#[clap(long, short = 'A', name = "name[=tla data]", number_of_values = 1)]
+	#[clap(
+		long,
+		short = 'A',
+		name = "name[=tla data]",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	tla_str: Vec<ExtStr>,
 	/// Read top level argument string from file.
 	/// See also `--tla-str`
-	#[clap(long, name = "name=tla path", number_of_values = 1)]
+	#[clap(
+		long,
+		name = "name=tla path",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	tla_str_file: Vec<ExtFile>,
 	/// Add top level argument from code.
 	/// See also `--tla-str`
-	#[clap(long, name = "name[=tla source]", number_of_values = 1)]
+	#[clap(
+		long,
+		name = "name[=tla source]",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	tla_code: Vec<ExtStr>,
 	/// Read top level argument code from file.
 	/// See also `--tla-str`
-	#[clap(long, name = "name=tla code path", number_of_values = 1)]
+	#[clap(
+		long,
+		name = "name=tla code path",
+		number_of_values = 1,
+		multiple_occurrences = true
+	)]
 	tla_code_file: Vec<ExtFile>,
 }
 impl ConfigureState for TLAOpts {