diff --git a/Cargo.lock b/Cargo.lock
index f7c42ed..4f4ff67 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1342,9 +1342,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "lettre"
-version = "0.10.0-beta.1"
+version = "0.10.0-beta.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f060515ec950723c5482163457b3faad8c088810c4a01a42523bc98e15bcb3e"
+checksum = "a8dcca2a7f2c772f90dd58c3293ff4ac416486a7f0f4339a0d6775363e6bd12a"
 dependencies = [
  "base64 0.13.0",
  "hostname",
@@ -1665,9 +1665,9 @@ checksum = "a9a7ab5d64814df0fe4a4b5ead45ed6c5f181ee3ff04ba344313a6c80446c5d4"
 
 [[package]]
 name = "once_cell"
-version = "1.7.0"
+version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10acf907b94fc1b1a152d08ef97e7759650268cf986bf127f387e602b02c7e5a"
+checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
 
 [[package]]
 name = "opaque-debug"
@@ -2193,14 +2193,13 @@ checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "regex"
-version = "1.4.3"
+version = "1.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
+checksum = "957056ecddbeba1b26965114e191d2e8589ce74db242b6ea25fc4062427a5c19"
 dependencies = [
  "aho-corasick",
  "memchr",
  "regex-syntax",
- "thread_local",
 ]
 
 [[package]]
@@ -2769,15 +2768,6 @@ dependencies = [
  "syn 1.0.61",
 ]
 
-[[package]]
-name = "thread_local"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
-dependencies = [
- "lazy_static",
-]
-
 [[package]]
 name = "time"
 version = "0.1.44"
diff --git a/api/Cargo.toml b/api/Cargo.toml
index a1bd4d1..b33fc68 100644
--- a/api/Cargo.toml
+++ b/api/Cargo.toml
@@ -9,7 +9,7 @@ publish = false
 chrono = "0.4.19"
 dotenv = "0.15.0"
 rand = "0.8.1"
-regex = "1.4.3"
+regex = "1.4.5"
 strsim = "0.10.0"
 tokio = { version = "1.2.0", features = ["full"] }
 
@@ -27,7 +27,7 @@ serde_json = "1.0"
 ## Subscriptions
 async-stream = "0.3.0"
 futures = "0.3"
-once_cell = "1.7.0"
+once_cell = "1.7.2"
 slab = "0.4.2"
 
 ## Logging
@@ -35,5 +35,5 @@ log = "0.4.13"
 pretty_env_logger = "0.4.0"
 
 ## Sign up
-lettre = "0.10.0-beta.1"
+lettre = "0.10.0-beta.2"
 rust-argon2 = "0.8.3"