diff --git a/command-signatures/Cargo.toml b/command-signatures/Cargo.toml
index c5fe4ba9..456f6bff 100644
--- a/command-signatures/Cargo.toml
+++ b/command-signatures/Cargo.toml
@@ -16,7 +16,7 @@ regex = "1.5.4"
 rust-embed = { version = "6.4.2", features = ["debug-embed", "include-exclude"], optional = true }
 serde = {version = "1.0", features = ["derive"]}
 serde_json = "1.0"
-serde_with = "2.0.1"
+serde_with = "^3.21"
 warp-completion-metadata = {path = "../completion-metadata"}
 
 [features]
diff --git a/completion-metadata/Cargo.toml b/completion-metadata/Cargo.toml
index cf9d51aa..7aa89a38 100644
--- a/completion-metadata/Cargo.toml
+++ b/completion-metadata/Cargo.toml
@@ -10,6 +10,6 @@ license.workspace = true
 itertools = "0.10.0"
 serde = {version = "1.0", features = ["derive"]}
 serde_json = "1.0"
-serde_with = "2.0.1"
+serde_with = "^3.21"
 log = "0.4"
 html-escape = "0.2.13"