diff --git a/Project.toml b/Project.toml
index 09e20ec..754fd46 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,7 +12,7 @@ Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 [compat]
 QuantumESPRESSOBase = "0.11, 0.12"
 QuantumESPRESSOFormatter = "0.3"
-QuantumESPRESSOParser = "0.4"
+QuantumESPRESSOParser = "0.4, 0.5"
 Reexport = "1"
 julia = "1"