diff --git a/imap-proto/Cargo.toml b/imap-proto/Cargo.toml
index 87ed547..7ac0e8c 100644
--- a/imap-proto/Cargo.toml
+++ b/imap-proto/Cargo.toml
@@ -16,7 +16,7 @@ readme = "../README.md"
 maintenance = { status = "passively-maintained" }
 
 [dependencies]
-nom = "7"
+nom = "8"
 
 [dev-dependencies]
 assert_matches = "1.3"
diff --git a/tokio-imap/Cargo.toml b/tokio-imap/Cargo.toml
index 20a8a7f..f0288d6 100644
--- a/tokio-imap/Cargo.toml
+++ b/tokio-imap/Cargo.toml
@@ -20,7 +20,7 @@ bytes = "1"
 futures-util = "0.3.8"
 futures-sink = "0.3.8"
 imap-proto = { version = "0.16", path = "../imap-proto" }
-nom = "7"
+nom = "8"
 pin-project = "1"
 rustls-pki-types = "1"
 tokio = { version = "1", features = ["net"] }