diff --git a/Cargo.toml b/Cargo.toml
index c7c9f17..95dada0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ pin-project-lite = { version = "0.2", optional = true }
 simple_asn1 = "0.5"
 sodiumoxide = "0.2.3"  # 0.2.3 required for `(push|pull)_to_vec`
 strum = "0.20"
-strum_macros = "0.20"
+strum_macros = "0.23"
 thiserror = "1.0"
 tokio = { version = "0.2", optional = true }