diff --git a/Cargo.lock b/Cargo.lock
index aa323fae714..5653e0eca10 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -262,11 +262,11 @@ dependencies = [
  "log",
  "oauth2",
  "openssl",
- "parking_lot 0.7.1",
+ "parking_lot",
  "rand 0.6.5",
  "reqwest",
  "scheduled-thread-pool",
- "semver 0.9.0 (git+https://github.com/steveklabnik/semver.git)",
+ "semver 0.9.0",
  "serde",
  "serde_json",
  "swirl",
@@ -1413,23 +1413,13 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb374efe4669153b6bb170a7c5063a4e570a4eb45e5daf0dab4c1543d4d6f197"
 
-[[package]]
-name = "lock_api"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62ebf1391f6acad60e5c8b43706dde4582df75c06698ab44511d15016bc2442c"
-dependencies = [
- "owning_ref",
- "scopeguard 0.3.3",
-]
-
 [[package]]
 name = "lock_api"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79b2de95ecb4691949fea4716ca53cdbcfccb2c612e19644a8bad05edcf9f47b"
 dependencies = [
- "scopeguard 1.0.0",
+ "scopeguard",
 ]
 
 [[package]]
@@ -1476,12 +1466,6 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "memchr"
 version = "0.1.11"
@@ -1733,61 +1717,27 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "owning_ref"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
-dependencies = [
- "stable_deref_trait",
-]
-
 [[package]]
 name = "parking_lot"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab41b4aed082705d1056416ae4468b6ea99d52599ecf3169b00088d43113e337"
-dependencies = [
- "lock_api 0.1.5",
- "parking_lot_core 0.4.0",
-]
-
-[[package]]
-name = "parking_lot"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
-dependencies = [
- "lock_api 0.3.3",
- "parking_lot_core 0.6.2",
- "rustc_version",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.4.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
+checksum = "92e98c49ab0b7ce5b222f2cc9193fc4efe11c6d0bd4f648e374684a6857b1cfc"
 dependencies = [
- "libc",
- "rand 0.6.5",
- "rustc_version",
- "smallvec 0.6.13",
- "winapi 0.3.8",
+ "lock_api",
+ "parking_lot_core",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
+checksum = "7582838484df45743c8434fbff785e8edf260c28748353d44bc0da32e0ceabf1"
 dependencies = [
  "cfg-if",
  "cloudabi",
  "libc",
  "redox_syscall",
- "rustc_version",
- "smallvec 0.6.13",
+ "smallvec",
  "winapi 0.3.8",
 ]
 
@@ -2004,12 +1954,12 @@ dependencies = [
 
 [[package]]
 name = "r2d2"
-version = "0.8.6"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e48fa64898ef0286b6ee4b4d8f61483f9182acf5e44e62a398b1c7f56f2f861d"
+checksum = "1497e40855348e4a8a40767d8e55174bce1e445a3ac9254ad44ad468ee0485af"
 dependencies = [
  "log",
- "parking_lot 0.9.0",
+ "parking_lot",
  "scheduled-thread-pool",
 ]
 
@@ -2308,15 +2258,6 @@ version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 
-[[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-dependencies = [
- "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "ryu"
 version = "1.0.2"
@@ -2363,12 +2304,6 @@ dependencies = [
  "antidote",
 ]
 
-[[package]]
-name = "scopeguard"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
-
 [[package]]
 name = "scopeguard"
 version = "1.0.0"
@@ -2415,15 +2350,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "semver"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
-dependencies = [
- "semver-parser 0.7.0",
-]
-
 [[package]]
 name = "semver-parser"
 version = "0.6.2"
@@ -2529,15 +2455,6 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
-[[package]]
-name = "smallvec"
-version = "0.6.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
-dependencies = [
- "maybe-uninit",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.2.0"
@@ -2562,12 +2479,6 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4bf77cb82ba8453b42b6ae1d692e4cdc92f9a47beaf89a847c8be83f4e328ad3"
 
-[[package]]
-name = "stable_deref_trait"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-
 [[package]]
 name = "string_cache"
 version = "0.7.3"
@@ -2919,7 +2830,7 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5479532badd04e128284890390c1e876ef7a993d0570b3597ae43dfa1d59afa4"
 dependencies = [
- "smallvec 1.2.0",
+ "smallvec",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 037beb8a277..9332d006d16 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,7 +59,7 @@ scheduled-thread-pool = "0.2.0"
 derive_deref = "1.0.0"
 reqwest = { version = "0.10", features = ["blocking", "gzip", "json"] }
 tempfile = "3"
-parking_lot = "0.7.1"
+parking_lot = "0.10"
 jemallocator = { version = "0.3", features = ['unprefixed_malloc_on_supported_platforms', 'profiling'] }
 
 lettre = "0.9"