diff --git a/.rustfmt.toml b/.rustfmt.toml
index 9849776..a9721da 100644
--- a/.rustfmt.toml
+++ b/.rustfmt.toml
@@ -52,7 +52,7 @@ use_field_init_shorthand = false
 force_explicit_abi = true
 condense_wildcard_suffixes = false
 color = "Auto"
-required_version = "1.4.12"
+required_version = "1.4.13"
 unstable_features = false
 disable_all_formatting = false
 skip_children = false