diff --git a/Cargo.lock b/Cargo.lock
index d6ab21286f..d223417a39 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -100,8 +100,8 @@ dependencies = [
  "fast_chemail 0.9.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonwebtoken 4.0.1",
  "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lettre 0.9.0 (git+https://github.com/tyranron/lettre?branch=upgrade-to-native-tls-0-2)",
- "lettre_email 0.9.0 (git+https://github.com/tyranron/lettre?branch=upgrade-to-native-tls-0-2)",
+ "lettre 0.9.0 (git+https://github.com/lettre/lettre?rev=fc91bb6ee8f9a)",
+ "lettre_email 0.9.0 (git+https://github.com/lettre/lettre?rev=fc91bb6ee8f9a)",
  "libsqlite3-sys 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "multipart 0.15.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -782,7 +782,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "lettre"
 version = "0.9.0"
-source = "git+https://github.com/tyranron/lettre?branch=upgrade-to-native-tls-0-2#644b1e59b06704822c6a540c12ed44b6e827d221"
+source = "git+https://github.com/lettre/lettre?rev=fc91bb6ee8f9a#fc91bb6ee8f9a28b818e98598af0a83a0dbb41d3"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "bufstream 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -791,7 +791,7 @@ dependencies = [
  "hostname 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "nom 3.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nom 4.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -800,16 +800,16 @@ dependencies = [
 [[package]]
 name = "lettre_email"
 version = "0.9.0"
-source = "git+https://github.com/tyranron/lettre?branch=upgrade-to-native-tls-0-2#644b1e59b06704822c6a540c12ed44b6e827d221"
+source = "git+https://github.com/lettre/lettre?rev=fc91bb6ee8f9a#fc91bb6ee8f9a28b818e98598af0a83a0dbb41d3"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "email 0.0.19 (git+https://github.com/lettre/rust-email)",
  "failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lettre 0.9.0 (git+https://github.com/tyranron/lettre?branch=upgrade-to-native-tls-0-2)",
+ "lettre 0.9.0 (git+https://github.com/lettre/lettre?rev=fc91bb6ee8f9a)",
  "mime 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "uuid 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -875,14 +875,6 @@ name = "matches"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "memchr"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "memchr"
 version = "2.1.0"
@@ -1091,10 +1083,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "nom"
-version = "3.2.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2190,15 +2182,6 @@ name = "utf8-ranges"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "uuid"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "uuid"
 version = "0.7.1"
@@ -2417,8 +2400,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
 "checksum lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca488b89a5657b0a2ecd45b95609b3e848cf1755da332a0da46e2b2b1cb371a7"
 "checksum lazycell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ddba4c30a78328befecec92fc94970e53b3ae385827d28620f0f5bb2493081e0"
-"checksum lettre 0.9.0 (git+https://github.com/tyranron/lettre?branch=upgrade-to-native-tls-0-2)" = "<none>"
-"checksum lettre_email 0.9.0 (git+https://github.com/tyranron/lettre?branch=upgrade-to-native-tls-0-2)" = "<none>"
+"checksum lettre 0.9.0 (git+https://github.com/lettre/lettre?rev=fc91bb6ee8f9a)" = "<none>"
+"checksum lettre_email 0.9.0 (git+https://github.com/lettre/lettre?rev=fc91bb6ee8f9a)" = "<none>"
 "checksum libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)" = "76e3a3ef172f1a0b9a9ff0dd1491ae5e6c948b94479a3021819ba7d860c8645d"
 "checksum libflate 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "7d4b4c7aff5bac19b956f693d0ea0eade8066deb092186ae954fa6ba14daab98"
 "checksum libsqlite3-sys 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d3711dfd91a1081d2458ad2d06ea30a8755256e74038be2ad927d94e1c955ca8"
@@ -2427,7 +2410,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d4fcce5fa49cc693c312001daf1d13411c4a5283796bac1084299ea3e567113f"
 "checksum mach 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "977262a11cfd76b94da10b8898cea6e9ac391301ab74741e6da6bee13d7df46d"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
-"checksum memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "148fab2e51b4f1cfc66da2a7c32981d1d3c083a803978268bb11fe4b86925e7a"
 "checksum memchr 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4b3629fe9fdbff6daa6c33b90f7c08355c1aca05a3d01fa8063b822fcf185f3b"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum migrations_internals 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8cf7c8c4f83fa9f47440c0b4af99973502de55e6e7b875f693bd263e03f93e7e"
@@ -2447,7 +2429,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nickel 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "22b40e35b9f46a076dcbd8193125cea0e4130b1c015f68655038010f3e826e04"
 "checksum nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "9a2228dca57108069a5262f2ed8bd2e82496d2e074a06d1ccc7ce1687b6ae0a2"
-"checksum nom 3.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05aec50c70fd288702bcd93284a8444607f3292dbdf2a30de5ea5dcdbe72287b"
+"checksum nom 4.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "898696750eb5c3ce5eb5afbfbe46e7f7c4e1936e19d3e97be4b7937da7b6d114"
 "checksum num-derive 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0d2c31b75c36a993d30c7a13d70513cb93f02acafdd5b7ba250f9b0e18615de7"
 "checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
 "checksum num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
@@ -2571,7 +2553,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f392d7819dbe58833e26872f5f6f0d68b7bbbe90fc3667e98731c4a15ad9a7ae"
 "checksum url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2a321979c09843d272956e73700d12c4e7d3d92b2ee112b31548aef0d4efc5a6"
 "checksum utf8-ranges 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd70f467df6810094968e2fce0ee1bd0e87157aceb026a8c083bcf5e25b9efe4"
-"checksum uuid 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e1436e58182935dcd9ce0add9ea0b558e8a87befe01c1a301e6020aeb0876363"
 "checksum uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dab5c5526c5caa3d106653401a267fed923e7046f35895ffcb5ca42db64942e6"
 "checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
 "checksum version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7716c242968ee87e5542f8021178248f267f295a5c4803beae8b8b7fd9bc6051"
diff --git a/Cargo.toml b/Cargo.toml
index e29fde81fa..d523d70402 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -80,8 +80,8 @@ byteorder = "1.2.6"
  # Make jwt use ring 0.11, to match rocket
 jsonwebtoken = { path = "libs/jsonwebtoken" }
 rmp = { git = 'https://github.com/dani-garcia/msgpack-rust' }
-lettre = { git = 'https://github.com/tyranron/lettre', branch = 'upgrade-to-native-tls-0-2' }
-lettre_email = { git = 'https://github.com/tyranron/lettre', branch = 'upgrade-to-native-tls-0-2' }
+lettre = { git = 'https://github.com/lettre/lettre', rev = 'fc91bb6ee8f9a' }
+lettre_email = { git = 'https://github.com/lettre/lettre', rev = 'fc91bb6ee8f9a' }
 
 # Version 0.1.2 from crates.io lacks a commit that fixes a certificate error
 u2f = { git = 'https://github.com/wisespace-io/u2f-rs', rev = '193de35093a44' }