diff --git a/protocol/Cargo.toml b/protocol/Cargo.toml
index 32785a1c..b71a372c 100644
--- a/protocol/Cargo.toml
+++ b/protocol/Cargo.toml
@@ -28,7 +28,7 @@ path    = "../codegen"
 
 [dependencies]
 cookie-factory = "=0.3.0-beta2"
-nom            = "=5.0.0-beta2"
+nom            = "=5.0.0-beta3"
 
 [dependencies.amq-protocol-tcp]
 version          = "^2.0.2"
diff --git a/types/Cargo.toml b/types/Cargo.toml
index 89304f27..a4ed4ff3 100644
--- a/types/Cargo.toml
+++ b/types/Cargo.toml
@@ -18,7 +18,7 @@ verbose-errors = []
 
 [dependencies]
 cookie-factory = "=0.3.0-beta2"
-nom            = "=5.0.0-beta2"
+nom            = "=5.0.0-beta3"
 serde_json     = "^1.0"
 
 [dependencies.serde]