diff --git a/bridges/bin/millau/node/Cargo.toml b/bridges/bin/millau/node/Cargo.toml
index 254dc4d275091..149731529f782 100644
--- a/bridges/bin/millau/node/Cargo.toml
+++ b/bridges/bin/millau/node/Cargo.toml
@@ -11,7 +11,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 
 [dependencies]
 jsonrpc-core = "15.1.0"
-structopt = "0.3.20"
+structopt = "0.3.21"
 
 # Bridge dependencies
 
diff --git a/bridges/bin/rialto/node/Cargo.toml b/bridges/bin/rialto/node/Cargo.toml
index 59e97a64d1eac..08b152b682252 100644
--- a/bridges/bin/rialto/node/Cargo.toml
+++ b/bridges/bin/rialto/node/Cargo.toml
@@ -11,7 +11,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 
 [dependencies]
 jsonrpc-core = "15.1.0"
-structopt = "0.3.20"
+structopt = "0.3.21"
 
 # Bridge dependencies