diff --git a/Cargo.lock b/Cargo.lock
index a1e9961a..0ab6dc48 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -208,9 +208,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.7.0"
+version = "3.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c59e7af012c713f529e7a3ee57ce9b31ddd858d4b512923602f74608b009631"
+checksum = "d9df67f7bf9ef8498769f994239c45613ef0c5899415fb58e9add412d2c1a538"
 
 [[package]]
 name = "byte-tools"
@@ -284,12 +284,24 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2554a3155fec064362507487171dcc4edc3df60cb10f3a1fb10ed8094822b120"
+checksum = "64c01c1c607d25c71bbaa67c113d6c6b36c434744b4fd66691d711b5b1bc0c8b"
 dependencies = [
  "chrono",
+ "chrono-tz-build",
+ "phf 0.10.0",
+]
+
+[[package]]
+name = "chrono-tz-build"
+version = "0.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db058d493fb2f65f41861bfed7e3fe6335264a9f0f92710cab5bdf01fef09069"
+dependencies = [
  "parse-zoneinfo",
+ "phf 0.10.0",
+ "phf_codegen 0.10.0",
 ]
 
 [[package]]
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "diesel"
-version = "1.4.7"
+version = "1.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bba51ca66f57261fd17cadf8b73e4775cc307d0521d855de3f5de91a8f074e0e"
+checksum = "b28135ecf6b7d446b43e27e225622a038cc4e2930a1022f51cdb97ada19b8e4d"
 dependencies = [
  "bitflags",
  "byteorder",
@@ -907,9 +919,9 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "527e8c9ac747e28542699a951517aa9a6945af506cd1f2e1b53a576c17b6cc11"
+checksum = "1323096b05d41827dadeaee54c9981958c0f94e670bc94ed80037d1a7b8b186b"
 dependencies = [
  "bytes 1.1.0",
  "fnv",
@@ -960,9 +972,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.14.12"
+version = "0.14.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13f67199e765030fa08fe0bd581af683f0d5bc04ea09c2b1102012c5fb90e7fd"
+checksum = "15d1cfb9e4f68655fa04c01f59edb405b6074a0f7118ea881e5026e4a1cd8593"
 dependencies = [
  "bytes 1.1.0",
  "futures-channel",
@@ -1001,7 +1013,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
 dependencies = [
  "bytes 1.1.0",
- "hyper 0.14.12",
+ "hyper 0.14.13",
  "native-tls",
  "tokio",
  "tokio-native-tls",
@@ -1214,8 +1226,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a24f40fb03852d1cdd84330cddcaf98e9ec08a7b7768e952fad3b4cf048ec8fd"
 dependencies = [
  "log 0.4.14",
- "phf",
- "phf_codegen",
+ "phf 0.8.0",
+ "phf_codegen 0.8.0",
  "string_cache",
  "string_cache_codegen",
  "tendril",
@@ -1580,9 +1592,9 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.66"
+version = "0.9.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1996d2d305e561b70d1ee0c53f1542833f4e1ac6ce9a6708b6ff2738ca67dc82"
+checksum = "69df2d8dfc6ce3aaf44b40dec6f487d5a886516cf6879c49e98e0710f310a058"
 dependencies = [
  "autocfg",
  "cc",
@@ -1775,7 +1787,16 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
 dependencies = [
- "phf_shared",
+ "phf_shared 0.8.0",
+]
+
+[[package]]
+name = "phf"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9fc3db1018c4b59d7d582a739436478b6035138b6aecbce989fc91c3e98409f"
+dependencies = [
+ "phf_shared 0.10.0",
 ]
 
 [[package]]
@@ -1784,8 +1805,18 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.8.0",
+ "phf_shared 0.8.0",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fb1c3a8bc4dd4e5cfce29b44ffc14bedd2ee294559a294e2a4d4c9e9a6a13cd"
+dependencies = [
+ "phf_generator 0.10.0",
+ "phf_shared 0.10.0",
 ]
 
 [[package]]
@@ -1794,10 +1825,20 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
 dependencies = [
- "phf_shared",
+ "phf_shared 0.8.0",
  "rand 0.7.3",
 ]
 
+[[package]]
+name = "phf_generator"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d5285893bb5eb82e6aaf5d59ee909a06a16737a8970984dd7746ba9283498d6"
+dependencies = [
+ "phf_shared 0.10.0",
+ "rand 0.8.4",
+]
+
 [[package]]
 name = "phf_shared"
 version = "0.8.0"
@@ -1807,6 +1848,16 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "phf_shared"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6796ad771acdc0123d2a88dc428b5e38ef24456743ddb1744ed628f9815c096"
+dependencies = [
+ "siphasher",
+ "uncased",
+]
+
 [[package]]
 name = "pico-args"
 version = "0.4.2"
@@ -2142,7 +2193,7 @@ dependencies = [
  "futures-util",
  "http",
  "http-body",
- "hyper 0.14.12",
+ "hyper 0.14.13",
  "hyper-tls",
  "ipnet",
  "js-sys",
@@ -2625,7 +2676,7 @@ checksum = "8ddb1139b5353f96e429e1a5e19fbaf663bddedaa06d1dbd49f82e352601209a"
 dependencies = [
  "lazy_static",
  "new_debug_unreachable",
- "phf_shared",
+ "phf_shared 0.8.0",
  "precomputed-hash",
  "serde",
 ]
@@ -2636,8 +2687,8 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f24c8e5e19d22a726626f1a5e16fe15b132dcf21d10177fa5a45ce7962996b97"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.8.0",
+ "phf_shared 0.8.0",
  "proc-macro2 1.0.29",
  "quote 1.0.9",
 ]
@@ -2808,9 +2859,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4efe6fc2395938c8155973d7be49fe8d03a843726e285e100a8a383cc0154ce"
+checksum = "c2c2416fdedca8443ae44b4527de1ea633af61d8f7169ffa6e72c5b53d24efcc"
 dependencies = [
  "autocfg",
  "bytes 1.1.0",
@@ -2887,9 +2938,9 @@ checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
 
 [[package]]
 name = "tracing"
-version = "0.1.27"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2ba9ab62b7d6497a8638dfda5e5c4fb3b2d5a7fca4118f2b96151c8ef1a437e"
+checksum = "84f96e095c0c82419687c20ddf5cb3eadb61f4e1405923c9dc8e53a1adacbda8"
 dependencies = [
  "cfg-if 1.0.0",
  "log 0.4.14",
@@ -2974,6 +3025,15 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
 
+[[package]]
+name = "uncased"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5baeed7327e25054889b9bd4f975f32e5f4c5d434042d59ab6cd4142c0a76ed0"
+dependencies = [
+ "version_check 0.9.3",
+]
+
 [[package]]
 name = "unicase"
 version = "1.4.2"
diff --git a/Cargo.toml b/Cargo.toml
index e132c6df..048201f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,7 @@ name = "vaultwarden"
 version = "1.0.0"
 authors = ["Daniel García <dani-garcia@users.noreply.github.com>"]
 edition = "2018"
+resolver = "2"
 
 repository = "https://github.com/dani-garcia/vaultwarden"
 readme = "README.md"
@@ -61,7 +62,7 @@ log = "0.4.14"
 fern = { version = "0.6.0", features = ["syslog-4"] }
 
 # A safe, extensible ORM and Query builder
-diesel = { version = "1.4.7", features = [ "chrono", "r2d2"] }
+diesel = { version = "1.4.8", features = [ "chrono", "r2d2"] }
 diesel_migrations = "1.4.0"
 
 # Bundled SQLite
@@ -76,7 +77,7 @@ uuid = { version = "0.8.2", features = ["v4"] }
 
 # Date and time libraries
 chrono = { version = "0.4.19", features = ["serde"] }
-chrono-tz = "0.5.3"
+chrono-tz = "0.6.0"
 time = "0.2.27"
 
 # Job scheduler
@@ -109,7 +110,7 @@ num-traits = "0.2.14"
 num-derive = "0.3.3"
 
 # Email libraries
-tracing = { version = "0.1.27", features = ["log"] } # Needed to have lettre trace logging used when SMTP_DEBUG is enabled.
+tracing = { version = "0.1.28", features = ["log"] } # Needed to have lettre trace logging used when SMTP_DEBUG is enabled.
 lettre = { version = "0.10.0-rc.3", features = ["smtp-transport", "builder", "serde", "native-tls", "hostname", "tracing"], default-features = false }
 
 # Template library
diff --git a/rust-toolchain b/rust-toolchain
index 635f06df..1d0b945a 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2021-08-22
+nightly-2021-09-22