diff --git a/edn/Cargo.toml b/edn/Cargo.toml
index 9ac64a04..27a9065a 100644
--- a/edn/Cargo.toml
+++ b/edn/Cargo.toml
@@ -18,7 +18,7 @@ pretty = "~0.10"
 uuid = { version = "~1.0", features = ["v4", "serde"] }
 serde = { version = "~1.0", optional = true }
 serde_derive = { version = "~1.0", optional = true }
-peg = "~0.7"
+peg = "~0.8"
 bytes = "1.0.1"
 hex = "0.4.3"