diff --git a/Cargo.lock b/Cargo.lock
index 0d10529..4947250 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -333,13 +333,14 @@ dependencies = [
 
 [[package]]
 name = "derive_more"
-version = "0.99.14"
+version = "0.99.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cc7b9cef1e351660e5443924e4f43ab25fbbed3e9a5f052df3677deb4d6b320"
+checksum = "40eebddd2156ce1bb37b20bbe5151340a31828b1f2d22ba4141f3531710e38df"
 dependencies = [
  "convert_case",
  "proc-macro2",
  "quote",
+ "rustc_version",
  "syn",
 ]
 
@@ -716,6 +717,15 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "pest"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
+dependencies = [
+ "ucd-trie",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.19"
@@ -849,12 +859,39 @@ dependencies = [
  "rand_core 0.6.2",
 ]
 
+[[package]]
+name = "rustc_version"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0dfe2087c51c460008730de8b57e6a320782fbfb312e1f4d520e6c6fae155ee"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
+[[package]]
+name = "semver"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f301af10236f6df4160f7c3f04eec6dbc70ace82d23326abad5edee88801c6b6"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0bef5b7f9e0df16536d3961cfb6e84331c065b4066afb39768d0e319411f7"
+dependencies = [
+ "pest",
+]
+
 [[package]]
 name = "serde"
 version = "1.0.126"
@@ -1116,6 +1153,12 @@ version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.7.1"
diff --git a/Cargo.toml b/Cargo.toml
index 36c4598..fe55ad1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,7 +38,7 @@ rand-old = { package = "rand", version = "0.7.0" } # For ed25519-dalek
 sqlite = "0.26.0"
 uuid = { version = "0.8.2", features = ["serde", "v4"] }
 mio = { version = "0.7.13", features = ["os-poll", "net"] }
-derive_more = "0.99.14"
+derive_more = "0.99.16"
 lazy_static = "1.4.0"
 
 # Optional dependencies regulated by features