diff --git a/Cargo.lock b/Cargo.lock
index c289b008..a317b67f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -227,57 +227,57 @@ dependencies = [
 
 [[package]]
 name = "darling"
-version = "0.9.0"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "darling_macro 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling_core 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling_macro 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "darling_core"
-version = "0.9.0"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ident_case 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "darling_macro"
-version = "0.9.0"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling_core 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "derive_builder"
-version = "0.7.2"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "derive_builder_core 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_builder_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "derive_builder_core"
-version = "0.5.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -286,7 +286,7 @@ version = "1.0.2-alpha.0"
 dependencies = [
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "derive_builder 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_builder 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "eval 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1063,12 +1063,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "strsim"
-version = "0.7.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "strsim"
-version = "0.8.0"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1409,11 +1409,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum crossbeam 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)" = "bd66663db5a988098a89599d4857919b3acf7f61402e61365acfd3919857b9be"
 "checksum crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "c8ec7fcd21571dc78f96cc96243cab8d8f035247c3efd16c687be154c3fa9efa"
 "checksum crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
-"checksum darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fcfbcb0c5961907597a7d1148e3af036268f2b773886b8bb3eeb1e1281d3d3d6"
-"checksum darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6afc018370c3bff3eb51f89256a6bdb18b4fdcda72d577982a14954a7a0b402c"
-"checksum darling_macro 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c6d8dac1c6f1d29a41c4712b4400f878cb4fcc4c7628f298dd75038e024998d1"
-"checksum derive_builder 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3ac53fa6a3cda160df823a9346442525dcaf1e171999a1cf23e67067e4fd64d4"
-"checksum derive_builder_core 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0288a23da9333c246bb18c143426074a6ae96747995c5819d2947b64cd942b37"
+"checksum darling 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0d706e75d87e35569db781a9b5e2416cff1236a47ed380831f959382ccd5f858"
+"checksum darling_core 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f0c960ae2da4de88a91b2d920c2a7233b400bc33cb28453a2987822d8392519b"
+"checksum darling_macro 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d9b5a2f4ac4969822c62224815d069952656cadc7084fdca9751e6d959189b72"
+"checksum derive_builder 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a2658621297f2cf68762a6f7dc0bb7e1ff2cfd6583daef8ee0fed6f7ec468ec0"
+"checksum derive_builder_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2791ea3e372c8495c0bc2033991d76b512cd799d07491fbd6890124db9458bef"
 "checksum dirs 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3fd78930633bd1c6e35c4b42b1df7b0cbc6bc191146e512bb3bedf243fcc3901"
 "checksum either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 "checksum eval 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ba90c19bed0c67afb0a24340b42d13ddddcb5413c4c17a04c11871bd6b572c42"
@@ -1505,8 +1505,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum slog-term 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cb9b3fd9a3c2c86580fce3558a98ed7c69039da0288b08a3f15b371635254e08"
 "checksum sloggers 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1ea94386f073b0951c68678f0043e3646855f85e9deffefbb68784e6486cb35f"
 "checksum smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ab606a9c5e214920bb66c458cd7be8ef094f813f20fe77a54cc7dbfff220d4b7"
-"checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+"checksum strsim 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "032c03039aae92b350aad2e3779c352e104d919cb192ba2fabbd7b831ce4f0f6"
 "checksum strum 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6138f8f88a16d90134763314e3fc76fa3ed6a7db4725d6acf9a3ef95a3188d22"
 "checksum strum_macros 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0054a7df764039a6cd8592b9de84be4bec368ff081d203a7d5371cbfa8e65c81"
 "checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
diff --git a/Cargo.toml b/Cargo.toml
index 7fcdad1d..60fd3444 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ include = [
 [dependencies]
 clap = "^2.33"
 crossbeam-channel = "^0.3"
-derive_builder = "^0.7"
+derive_builder = "^0.9"
 failure= "^0.1"
 glob = "^0.3"
 iptables = "^0.2"