diff --git a/Cargo.lock b/Cargo.lock
index 2c103cc..d6d6761 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,12 +8,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e772942dccdf11b368c31e044e4fca9189f80a773d2f0808379de65894cbf57"
 
-[[package]]
-name = "autocfg"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23213af7601f0f2d929f73d2a772804562cb09063f50bba9c361f86d6a0376f8"
-
 [[package]]
 name = "backtrace"
 version = "0.3.5"
@@ -21,7 +15,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebbbf59b1c43eefa8c3ede390fcc36820b4999f7914104015be25025e0d62af2"
 dependencies = [
  "backtrace-sys",
- "cfg-if",
+ "cfg-if 0.1.0",
  "libc",
  "rustc-demangle",
  "winapi 0.3.6",
@@ -36,22 +30,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "bitflags"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5cde24d1b2e2216a726368b2363a273739c91f4e3eb4e0dd12d672d396ad989"
-
-[[package]]
-name = "c2-chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d64d04786e0f528460fc884753cf8dddcc466be308f6026f8e355c41a0e4101"
-dependencies = [
- "lazy_static",
- "ppv-lite86",
-]
-
 [[package]]
 name = "cfg-if"
 version = "0.1.0"
@@ -59,13 +37,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de1e760d7b6535af4241fca8bd8adf68e2e7edacc6b29f5d399050c5e48cf88c"
 
 [[package]]
-name = "cloudabi"
-version = "0.0.3"
+name = "cfg-if"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "darling"
@@ -154,22 +129,15 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81f7f8eb465745ea9b02e2704612a9946a59fa40572086c6fd49d6ddcf30bf31"
-
 [[package]]
 name = "getrandom"
-version = "0.1.1"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e738b1f02e4d17217cae7648e774c03a19cd9de18bc294c538cc3e780f8c3bbd"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
- "cloudabi",
- "fuchsia-cprng",
+ "cfg-if 1.0.0",
  "libc",
- "winapi 0.3.6",
+ "wasi",
 ]
 
 [[package]]
@@ -203,17 +171,11 @@ dependencies = [
  "winapi-build",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
-
 [[package]]
 name = "libc"
-version = "0.2.29"
+version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a014d9226c2cc402676fbe9ea2e15dd5222cd1dd57f576b5b283178c944a264"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "pfctl"
@@ -230,12 +192,6 @@ dependencies = [
  "uuid",
 ]
 
-[[package]]
-name = "ppv-lite86"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe1c37e6347ad1a8351171bee25a92342401f8cd550f76e153724e765ac76bca"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.0"
@@ -254,48 +210,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d47eab0e83d9693d40f825f86948aa16eff6750ead4bdffc4ab95b8b3a7f052c"
-dependencies = [
- "getrandom",
- "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e193067942ef6f485a349a113329140d0ab9e2168ce92274499bb0e9a4190d9d"
-dependencies = [
- "autocfg",
- "c2-chacha",
- "rand_core",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "615e683324e75af5d43d8f7a39ffe3ee4a9dc42c5c701167a71dc59c3a493aca"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core",
-]
-
 [[package]]
 name = "rustc-demangle"
 version = "0.1.4"
@@ -339,11 +253,11 @@ checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 
 [[package]]
 name = "uuid"
-version = "0.8.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf1d83e5fa94e6c54ee47351bc92daca1f386aa1529ffbb668d2cee5e8173013"
+checksum = "a183cf7feeba97b4dd1c0d46788634f6221d87fa961b305bed08c851829efcc0"
 dependencies = [
- "rand",
+ "getrandom",
 ]
 
 [[package]]
@@ -352,6 +266,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "winapi"
 version = "0.2.4"
diff --git a/Cargo.toml b/Cargo.toml
index 119fa78..cec1d8d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,5 +24,5 @@ ipnetwork = "0.20.0"
 
 [dev-dependencies]
 assert_matches = "1.1.0"
-uuid = { version = "0.8", features = ["v4"] }
+uuid = { version = "1.8.0", features = ["v4"] }
 scopeguard = "1.0"
diff --git a/tests/anchors.rs b/tests/anchors.rs
index 84ead80..04d6cc7 100644
--- a/tests/anchors.rs
+++ b/tests/anchors.rs
@@ -10,10 +10,7 @@ use assert_matches::assert_matches;
 use uuid::Uuid;
 
 fn unique_anchor() -> String {
-    format!(
-        "pfctl-rs.integration.testing.{}",
-        Uuid::new_v4().to_simple()
-    )
+    format!("pfctl-rs.integration.testing.{}", Uuid::new_v4().simple())
 }
 
 fn before_each() {}