diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 472e309..c7b8af6 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -14,7 +14,7 @@ default = ["lalrpop"]  # removing this causes potential build failure
 [build-dependencies]
 anyhow = "1.0.45"
 lalrpop = { version = "0.19.8", optional = true }
-phf_codegen = "0.10"
+phf_codegen = "0.11.1"
 tiny-keccak = { version = "2", features = ["sha3"] }
 
 [dependencies]
@@ -27,7 +27,7 @@ lalrpop-util = "0.19.8"
 log = "0.4.16"
 num-bigint = "0.4.3"
 num-traits = "0.2.14"
-phf = "0.10.1"
+phf = "0.11.1"
 rustc-hash = "1.1.0"
 thiserror = "1.0"
 unic-emoji-char = "0.9.0"