diff --git a/Cargo.lock b/Cargo.lock
index be13e3b7..b0ba30b3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -204,15 +204,6 @@ dependencies = [
  "safemem",
 ]
 
-[[package]]
-name = "base64"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -473,22 +464,6 @@ dependencies = [
  "version_check 0.9.3",
 ]
 
-[[package]]
-name = "core-foundation"
-version = "0.9.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6888e10551bb93e424d8df1d07f1a8b4fceb0001a3a4b048bfc47554946f47b3"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
-[[package]]
-name = "core-foundation-sys"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
-
 [[package]]
 name = "cpufeatures"
 version = "0.2.1"
@@ -1339,25 +1314,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
-[[package]]
-name = "hyper"
-version = "0.10.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a0652d9a2609a968c14be1a9ea00bf4b1d64e2e1f53a1b51b6fff3a6e829273"
-dependencies = [
- "base64 0.9.3",
- "httparse",
- "language-tags",
- "log 0.3.9",
- "mime 0.2.6",
- "num_cpus",
- "time 0.1.44",
- "traitobject",
- "typeable",
- "unicase 1.4.2",
- "url",
-]
-
 [[package]]
 name = "hyper"
 version = "0.11.27"
@@ -1372,7 +1328,7 @@ dependencies = [
  "iovec",
  "language-tags",
  "log 0.4.14",
- "mime 0.3.16",
+ "mime",
  "net2",
  "percent-encoding 1.0.1",
  "relay",
@@ -1381,7 +1337,7 @@ dependencies = [
  "tokio-io",
  "tokio-proto",
  "tokio-service",
- "unicase 2.6.0",
+ "unicase",
  "want 0.0.4",
 ]
 
@@ -1674,7 +1630,7 @@ dependencies = [
  "jsonrpc-server-utils 11.0.0",
  "log 0.4.14",
  "net2",
- "unicase 2.6.0",
+ "unicase",
 ]
 
 [[package]]
@@ -1690,7 +1646,7 @@ dependencies = [
  "log 0.4.14",
  "net2",
  "parking_lot 0.11.2",
- "unicase 2.6.0",
+ "unicase",
 ]
 
 [[package]]
@@ -1734,7 +1690,7 @@ dependencies = [
  "num_cpus",
  "tokio 0.1.22",
  "tokio-codec",
- "unicase 2.6.0",
+ "unicase",
 ]
 
 [[package]]
@@ -1752,7 +1708,7 @@ dependencies = [
  "tokio 1.13.0",
  "tokio-stream",
  "tokio-util",
- "unicase 2.6.0",
+ "unicase",
 ]
 
 [[package]]
@@ -1972,15 +1928,6 @@ dependencies = [
  "autocfg 1.0.1",
 ]
 
-[[package]]
-name = "mime"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
-dependencies = [
- "log 0.3.9",
-]
-
 [[package]]
 name = "mime"
 version = "0.3.16"
@@ -2119,7 +2066,7 @@ dependencies = [
  "http 0.2.5",
  "httparse",
  "log 0.4.14",
- "mime 0.3.16",
+ "mime",
  "spin",
  "tokio 1.13.0",
  "tokio-util",
@@ -2127,24 +2074,6 @@ dependencies = [
  "version_check 0.9.3",
 ]
 
-[[package]]
-name = "native-tls"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
-dependencies = [
- "lazy_static",
- "libc",
- "log 0.4.14",
- "openssl",
- "openssl-probe",
- "openssl-sys",
- "schannel",
- "security-framework",
- "security-framework-sys",
- "tempfile",
-]
-
 [[package]]
 name = "nb"
 version = "0.1.3"
@@ -2409,12 +2338,6 @@ dependencies = [
  "openssl-sys",
 ]
 
-[[package]]
-name = "openssl-probe"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
-
 [[package]]
 name = "openssl-src"
 version = "300.0.2+3.0.0"
@@ -2693,7 +2616,7 @@ dependencies = [
 
 [[package]]
 name = "peach-web"
-version = "0.4.11"
+version = "0.4.12"
 dependencies = [
  "env_logger 0.8.4",
  "log 0.4.14",
@@ -2708,7 +2631,6 @@ dependencies = [
  "serde_json",
  "snafu 0.6.10",
  "tera",
- "websocket",
  "xdg",
 ]
 
@@ -3366,7 +3288,7 @@ dependencies = [
  "indexmap",
  "log 0.4.14",
  "memchr",
- "mime 0.3.16",
+ "mime",
  "parking_lot 0.11.2",
  "pear",
  "percent-encoding 2.1.0",
@@ -3469,16 +3391,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "schannel"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
-dependencies = [
- "lazy_static",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "scoped-tls"
 version = "0.1.2"
@@ -3503,29 +3415,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
-[[package]]
-name = "security-framework"
-version = "2.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "525bc1abfda2e1998d152c45cf13e696f76d0a4972310b22fac1658b05df7c87"
-dependencies = [
- "bitflags 1.3.2",
- "core-foundation",
- "core-foundation-sys",
- "libc",
- "security-framework-sys",
-]
-
-[[package]]
-name = "security-framework-sys"
-version = "2.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9dd14d83160b528b7bfd66439110573efcfbe281b17fc2ca9f39f550d619c7e"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "semver"
 version = "0.1.20"
@@ -4433,17 +4322,6 @@ dependencies = [
  "tokio-executor",
 ]
 
-[[package]]
-name = "tokio-tls"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "354b8cd83825b3c20217a9dc174d6a0c67441a2fae5c41bcb1ea6679f6ae0f7c"
-dependencies = [
- "futures 0.1.31",
- "native-tls",
- "tokio-io",
-]
-
 [[package]]
 name = "tokio-udp"
 version = "0.1.6"
@@ -4582,12 +4460,6 @@ dependencies = [
  "tracing-serde",
 ]
 
-[[package]]
-name = "traitobject"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
-
 [[package]]
 name = "try-lock"
 version = "0.1.0"
@@ -4610,12 +4482,6 @@ dependencies = [
  "unchecked-index",
 ]
 
-[[package]]
-name = "typeable"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1410f6f91f21d1612654e7cc69193b0334f909dcf2c790c4826254fbb86f8887"
-
 [[package]]
 name = "typenum"
 version = "1.14.0"
@@ -4703,15 +4569,6 @@ dependencies = [
  "unic-common",
 ]
 
-[[package]]
-name = "unicase"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
-dependencies = [
- "version_check 0.1.5",
-]
-
 [[package]]
 name = "unicase"
 version = "2.6.0"
@@ -4920,47 +4777,6 @@ version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0237232789cf037d5480773fe568aac745bfe2afbc11a863e97901780a6b47cc"
 
-[[package]]
-name = "websocket"
-version = "0.26.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "723abe6b75286edc51d8ecabb38a2353f62a9e9b0588998b59111474f1dcd637"
-dependencies = [
- "bytes 0.4.12",
- "futures 0.1.31",
- "hyper 0.10.16",
- "native-tls",
- "rand 0.6.5",
- "tokio-codec",
- "tokio-io",
- "tokio-reactor",
- "tokio-tcp",
- "tokio-tls",
- "unicase 1.4.2",
- "url",
- "websocket-base",
-]
-
-[[package]]
-name = "websocket-base"
-version = "0.26.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "403f3fd505ff930da84156389639932955fb09705b3dccd1a3d60c8e7ff62776"
-dependencies = [
- "base64 0.10.1",
- "bitflags 1.3.2",
- "byteorder",
- "bytes 0.4.12",
- "futures 0.1.31",
- "native-tls",
- "rand 0.6.5",
- "sha-1",
- "tokio-codec",
- "tokio-io",
- "tokio-tcp",
- "tokio-tls",
-]
-
 [[package]]
 name = "winapi"
 version = "0.2.8"