diff --git a/Cargo.lock b/Cargo.lock
index 8fb5115..cc74e96 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -128,6 +128,15 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nom"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "num-bigint"
 version = "0.4.4"
@@ -189,11 +198,11 @@ dependencies = [
 
 [[package]]
 name = "rusticata-macros"
-version = "4.1.0"
+version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "faf0c4a6ece9950b9abdb62b1cfcf2a68b3b67a10ba445b3bb85be2a293d0632"
+checksum = "f40620447734539bcc6c64e9c66fed2410e17b46986733f1090c922d85f7105b"
 dependencies = [
- "nom",
+ "nom 8.0.0",
 ]
 
 [[package]]
@@ -210,7 +219,7 @@ name = "ssh-parser"
 version = "0.6.0"
 dependencies = [
  "cookie-factory",
- "nom",
+ "nom 7.1.3",
  "num-bigint",
  "num-traits",
  "rusticata-macros",
diff --git a/Cargo.toml b/Cargo.toml
index 4b2c9f1..2ed5379 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ serialize = ["cookie-factory"]
 
 [dependencies]
 nom = "7.0"
-rusticata-macros = "4.0"
+rusticata-macros = "5.0"
 
 cookie-factory = { version = "0.3", optional = true }
 num-bigint = { version = "0.4", optional = true }