diff --git a/Cargo.lock b/Cargo.lock
index 8118d7a..83b324b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "proc-quote"
-version = "0.3.2"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06ea4226882439d07839be9c7f683e13d6d69d9c2fe960d61f637d1e2fa4c081"
+checksum = "5e84ab161de78c915302ca325a19bee6df272800e2ae1a43fe3ef430bab2a100"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
diff --git a/safe-builder-derive/Cargo.toml b/safe-builder-derive/Cargo.toml
index 523b9d7..f64ed9e 100644
--- a/safe-builder-derive/Cargo.toml
+++ b/safe-builder-derive/Cargo.toml
@@ -11,7 +11,7 @@ proc-macro = true
 
 [dependencies]
 quote = "^1.0"
-proc-quote = "0.3.2"
+proc-quote = "0.4.0"
 syn = { version = "^1.0", features = ["parsing"] }
 proc-macro2 = "^1.0"
 convert_case = "^0.4.0"