diff --git a/Cargo.lock b/Cargo.lock
index d2d81d3..31ba04f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -321,10 +321,10 @@ dependencies = [
  "itoa 0.4.6",
  "matches",
  "phf 0.8.0",
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
  "smallvec 1.4.2",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -334,7 +334,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfae75de57f2b2e85e8768c3ea840fd159c8f33e2b6522c7835b7abac81be16e"
 dependencies = [
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -353,9 +353,9 @@ version = "0.99.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1dcfabdab475c16a93d669dddfc393027803e347d09663f524447f642fbb84ba"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -528,9 +528,9 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
  "synstructure",
 ]
 
@@ -761,9 +761,9 @@ dependencies = [
  "log",
  "mac",
  "markup5ever",
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -1372,9 +1372,9 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -1516,9 +1516,9 @@ dependencies = [
  "phf_generator 0.8.0",
  "phf_shared 0.8.0",
  "proc-macro-hack",
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -1572,9 +1572,9 @@ version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2c0e815c3ee9a031fdf5af21c10aa17c573c9c6a566328d99e3936c34e36461f"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -1583,9 +1583,9 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7bcc46b8f73443d15bc1c5fecbb315718491fa9187fa483f0e359323cde8b3a"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -1647,11 +1647,11 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
 dependencies = [
- "unicode-xid 0.2.1",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -1682,7 +1682,7 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
 ]
 
 [[package]]
@@ -2000,22 +2000,22 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.136"
+version = "1.0.152"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
+checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.136"
+version = "1.0.152"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
+checksum = "af487d118eecd09402d70a5d72551860e788df87b464af30e5ea6a38c75c541e"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -2166,11 +2166,11 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
  "serde",
  "serde_derive",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -2180,13 +2180,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
 dependencies = [
  "base-x",
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
  "serde",
  "serde_derive",
  "serde_json",
  "sha1",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -2216,7 +2216,7 @@ checksum = "f24c8e5e19d22a726626f1a5e16fe15b132dcf21d10177fa5a45ce7962996b97"
 dependencies = [
  "phf_generator 0.8.0",
  "phf_shared 0.8.0",
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
 ]
 
@@ -2239,13 +2239,13 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.60"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
+checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "unicode-xid 0.2.1",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -2254,9 +2254,9 @@ version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
  "unicode-xid 0.2.1",
 ]
 
@@ -2382,10 +2382,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
  "standback",
- "syn 1.0.60",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -2758,6 +2758,12 @@ dependencies = [
  "matches",
 ]
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+
 [[package]]
 name = "unicode-normalization"
 version = "0.1.13"
@@ -2892,9 +2898,9 @@ dependencies = [
  "bumpalo",
  "lazy_static",
  "log",
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
  "wasm-bindgen-shared",
 ]
 
@@ -2926,9 +2932,9 @@ version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
 dependencies = [
- "proc-macro2 1.0.24",
+ "proc-macro2 1.0.49",
  "quote 1.0.7",
- "syn 1.0.60",
+ "syn 1.0.107",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 25a1ed9..0b46466 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ tokio-core = "0.1.18"
 rusqlite = "0.14.0"
 chrono = "0.4.19"
 docopt = "1.1.1"
-serde = "1.0.136"
+serde = "1.0.152"
 serde_derive = "1.0.104"
 itertools = "0.10.3"
 regex = "1.6.0"