diff --git a/Cargo.lock b/Cargo.lock
index 8f2655163f5..17c3e85d812 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -179,12 +179,12 @@ dependencies = [
  "htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre 0.9.0 (git+https://github.com/lettre/lettre)",
  "lettre_email 0.9.0 (git+https://github.com/lettre/lettre)",
  "license-exprs 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "oauth2 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "old_semver 0.1.0",
  "openssl 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -999,7 +999,7 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.6.5"
+version = "0.7.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "either 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2697,7 +2697,7 @@ dependencies = [
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
 "checksum indexmap 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "08173ba1e906efb6538785a8844dd496f5d34f0a2d88038e95195172fc667220"
 "checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
-"checksum itertools 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d3f2be4da1690a039e9ae5fd575f706a63ad5a2120f161b1d653c9da3930dd21"
+"checksum itertools 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)" = "0d47946d458e94a1b7bcabbf6521ea7c037062c81f534615abcad76e84d4970d"
 "checksum itoa 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8324a32baf01e2ae060e9de58ed0bc2320c9a2833491ee36cd3b4c414de4db8c"
 "checksum itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1306f3464951f30e30d12373d31c79fbd52d236e5e896fd92f96ec7babbbe60b"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
diff --git a/Cargo.toml b/Cargo.toml
index e0e6b150266..935336a7fb8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ base64 = "0.9"
 
 openssl = "0.10.13"
 oauth2 = "0.3"
-log = "0.3"
+log = "0.4"
 env_logger = "0.5"
 hex = "0.3"
 htmlescape = "0.3.1"
@@ -57,7 +57,7 @@ chrono = { version = "0.4.0", features = ["serde"] }
 comrak = { version = "0.2.3", default-features = false }
 ammonia = "1.0.0"
 docopt = "0.8.1"
-itertools = "0.6.0"
+itertools = "0.7.0"
 scheduled-thread-pool = "0.2.0"
 derive_deref = "1.0.0"
 reqwest = "0.9.1"