diff --git a/Cargo.lock b/Cargo.lock
index d9bf573..681941a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -420,18 +420,18 @@ checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
 [[package]]
 name = "enum-iterator"
-version = "1.2.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91a4ec26efacf4aeff80887a175a419493cb6f8b5480d26387eb0bd038976187"
+checksum = "706d9e7cf1c7664859d79cd524e4e53ea2b67ea03c98cc2870c5e539695d597e"
 dependencies = [
  "enum-iterator-derive",
 ]
 
 [[package]]
 name = "enum-iterator-derive"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "828de45d0ca18782232dfb8f3ea9cc428e8ced380eb26a520baaacfc70de39ce"
+checksum = "355f93763ef7b0ae1c43c4d8eccc9d5848d84ad1a1d8ce61c421d1ac85a19d05"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index c80c274..3e3bf35 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ crossbeam-channel = "0.5.5"
 ctrlc = {version = "3.2.2", features = ["termination"]}
 derivative = "2.2.0"
 duct = "0.13.5"
-enum-iterator = "1.1.2"
+enum-iterator = "1.4.0"
 fs2 = "0.4.3"
 glib = "0.15.12"
 gtk = "0.15.5"