diff --git a/Cargo.lock b/Cargo.lock
index 9f09817..8c5ce86 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -93,7 +93,7 @@ dependencies = [
  "mime",
  "percent-encoding",
  "pin-project 1.0.1",
- "rand",
+ "rand 0.7.3",
  "regex",
  "serde 1.0.118",
  "serde_json",
@@ -374,7 +374,7 @@ dependencies = [
  "log",
  "mime",
  "percent-encoding",
- "rand",
+ "rand 0.7.3",
  "serde 1.0.118",
  "serde_json",
  "serde_urlencoded",
@@ -883,6 +883,17 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "git2"
 version = "0.13.17"
@@ -1511,7 +1522,7 @@ dependencies = [
  "cfg-if 0.1.10",
  "cloudabi",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.56",
  "smallvec",
  "winapi 0.3.8",
 ]
@@ -1588,9 +1599,9 @@ checksum = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.6"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
+checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "proc-macro-hack"
@@ -1634,11 +1645,23 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.14",
  "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
+ "rand_chacha 0.2.1",
+ "rand_core 0.5.1",
+ "rand_hc 0.2.0",
+]
+
+[[package]]
+name = "rand"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.0",
+ "rand_core 0.6.1",
+ "rand_hc 0.3.0",
 ]
 
 [[package]]
@@ -1648,7 +1671,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
 dependencies = [
  "c2-chacha",
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.1",
 ]
 
 [[package]]
@@ -1657,7 +1690,16 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.14",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c026d7df8b298d90ccbbc5190bd04d85e159eaf5576caeacf8741da93ccbd2e5"
+dependencies = [
+ "getrandom 0.2.2",
 ]
 
 [[package]]
@@ -1666,7 +1708,16 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+dependencies = [
+ "rand_core 0.6.1",
 ]
 
 [[package]]
@@ -1675,6 +1726,15 @@ version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05ec8ca9416c5ea37062b502703cd7fcb207736bc294f6e0cf367ac6fc234570"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "regex"
 version = "1.4.1"
@@ -1995,7 +2055,7 @@ checksum = "2c29947abdee2a218277abeca306f25789c938e500ea5a9d4b12a5a504466902"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.56",
  "winapi 0.3.8",
 ]
 
@@ -2073,14 +2133,14 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.1.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
- "rand",
- "redox_syscall",
+ "rand 0.8.3",
+ "redox_syscall 0.2.4",
  "remove_dir_all",
  "winapi 0.3.8",
 ]
@@ -2372,7 +2432,7 @@ dependencies = [
  "idna",
  "lazy_static",
  "log",
- "rand",
+ "rand 0.7.3",
  "smallvec",
  "thiserror",
  "tokio",
@@ -2474,7 +2534,7 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fde2f6a4bea1d6e007c4ad38c6839fa71cbb63b6dbf5b595aa38dc9b1093c11"
 dependencies = [
- "rand",
+ "rand 0.7.3",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 0f60358..a5c4be7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,4 +31,4 @@ ructe = "0.13.0"
 vergen = "3.2.0"
 
 [dev-dependencies]
-tempfile = "3.1.0"
+tempfile = "3.2.0"