diff --git a/Cargo.toml b/Cargo.toml
index d92e0b0..5aa8f72 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ members = ["impl"]
 [dependencies]
 clap = { version = "4.2.4", features = ["derive"] }
 fncmd-impl = { path = "impl", version = "=2.0.1" }
-once_cell = "1.9.0"
+once_cell = "1.17.1"
 
 [dev-dependencies]
 trycmd = { version = "0.14.16", features = ["examples"] }
\ No newline at end of file
diff --git a/impl/Cargo.toml b/impl/Cargo.toml
index ec24534..5d3be18 100644
--- a/impl/Cargo.toml
+++ b/impl/Cargo.toml
@@ -14,9 +14,9 @@ proc-macro = true
 
 [dependencies]
 cargo_metadata = "0.15.4"
-darling = "0.13.0"
+darling = "0.13.4"
 once_cell = "1.17.1"
 proc-macro-error = "1.0.4"
-proc-macro2 = "1.0.32"
-quote = "1.0.10"
-syn = { version = "1.0.81", features = ["full", "extra-traits", "visit"] }
\ No newline at end of file
+proc-macro2 = "1.0.56"
+quote = "1.0.26"
+syn = { version = "1.0.109", features = ["full", "extra-traits", "visit"] }
\ No newline at end of file