diff --git a/Cargo.toml b/Cargo.toml
index a613ea8..cbdf585 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ exclude = ["/for_tests", "/.github"]
 [dependencies]
 bitvec = {version = "1.0.1", default-features = false, features = ["alloc"]}
 external-memory-tools = {version = "0.1.1", default-features = false}
-frame-metadata = {version = "18.0.0", default-features = false, features = ["current", "decode"]}
+frame-metadata = {version = "20.0.0", default-features = false, features = ["current", "decode"]}
 hex = {version = "0.4.3", default-features = false, features = ["alloc"]}
 num-bigint = {version = "0.4.6", default-features = false}
 plot_icon = {version = "0.3.0", optional = true, default-features = false, features = ["pix"]}