diff --git a/Cargo.lock b/Cargo.lock
index 5f6d9e5..bb38415 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -136,23 +136,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "async-io"
-version = "1.13.0"
+name = "async-channel"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fc5b45d93ef0529756f812ca52e44c221b35341892d3dcc34132ac02f3dd2af"
+checksum = "d37875bd9915b7d67c2f117ea2c30a0989874d0b2cb694fe25403c85763c0c9e"
 dependencies = [
- "async-lock 2.8.0",
- "autocfg",
- "cfg-if",
  "concurrent-queue",
- "futures-lite 1.13.0",
- "log",
- "parking",
- "polling 2.8.0",
- "rustix 0.37.27",
- "slab",
- "socket2 0.4.10",
- "waker-fn",
+ "event-listener 3.0.1",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
 ]
 
 [[package]]
@@ -167,8 +160,8 @@ dependencies = [
  "futures-io",
  "futures-lite 2.0.1",
  "parking",
- "polling 3.3.0",
- "rustix 0.38.21",
+ "polling",
+ "rustix",
  "slab",
  "tracing",
  "waker-fn",
@@ -197,18 +190,19 @@ dependencies = [
 
 [[package]]
 name = "async-process"
-version = "1.8.1"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea6438ba0a08d81529c69b36700fa2f95837bfe3e776ab39cde9c14d9149da88"
+checksum = "492cd91ac1bad2bb910e38cb324891bf3d71845f64ae503a2ddcfa64fe7f03b0"
 dependencies = [
- "async-io 1.13.0",
- "async-lock 2.8.0",
+ "async-channel 2.1.0",
+ "async-io",
+ "async-lock 3.0.0",
  "async-signal",
  "blocking",
  "cfg-if",
  "event-listener 3.0.1",
- "futures-lite 1.13.0",
- "rustix 0.38.21",
+ "futures-lite 2.0.1",
+ "rustix",
  "windows-sys",
 ]
 
@@ -218,13 +212,13 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e47d90f65a225c4527103a8d747001fc56e375203592b25ad103e1ca13124c5"
 dependencies = [
- "async-io 2.2.0",
+ "async-io",
  "async-lock 2.8.0",
  "atomic-waker",
  "cfg-if",
  "futures-core",
  "futures-io",
- "rustix 0.38.21",
+ "rustix",
  "signal-hook-registry",
  "slab",
  "windows-sys",
@@ -296,10 +290,10 @@ version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c36a4d0d48574b3dd360b4b7d95cc651d2b6557b6402848a27d4b228a473e2a"
 dependencies = [
- "async-channel",
+ "async-channel 1.9.0",
  "async-lock 2.8.0",
  "async-task",
- "fastrand 2.0.1",
+ "fastrand",
  "futures-io",
  "futures-lite 1.13.0",
  "piper",
@@ -492,15 +486,6 @@ dependencies = [
  "pin-project-lite",
 ]
 
-[[package]]
-name = "fastrand"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
-dependencies = [
- "instant",
-]
-
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -591,13 +576,8 @@ version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49a9d51ce47660b1e808d3c990b4709f2f415d928835a17dfd16991515c46bce"
 dependencies = [
- "fastrand 1.9.0",
  "futures-core",
- "futures-io",
- "memchr",
- "parking",
  "pin-project-lite",
- "waker-fn",
 ]
 
 [[package]]
@@ -606,7 +586,11 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3831c2651acb5177cbd83943f3d9c8912c5ad03c76afcc0e9511ba568ec5ebb"
 dependencies = [
+ "fastrand",
  "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
  "pin-project-lite",
 ]
 
@@ -829,26 +813,6 @@ dependencies = [
  "hashbrown 0.14.2",
 ]
 
-[[package]]
-name = "instant"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "io-lifetimes"
-version = "1.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
-dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys",
-]
-
 [[package]]
 name = "ipnet"
 version = "2.9.0"
@@ -862,7 +826,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
 dependencies = [
  "hermit-abi",
- "rustix 0.38.21",
+ "rustix",
  "windows-sys",
 ]
 
@@ -893,12 +857,6 @@ version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
-
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.11"
@@ -1155,7 +1113,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "668d31b1c4eba19242f2088b2bf3316b82ca31082a8335764db4e083db7485d4"
 dependencies = [
  "atomic-waker",
- "fastrand 2.0.1",
+ "fastrand",
  "futures-io",
 ]
 
@@ -1165,22 +1123,6 @@ version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
-[[package]]
-name = "polling"
-version = "2.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b2d323e8ca7996b3e23126511a523f7e62924d93ecd5ae73b333815b0eb3dce"
-dependencies = [
- "autocfg",
- "bitflags 1.3.2",
- "cfg-if",
- "concurrent-queue",
- "libc",
- "log",
- "pin-project-lite",
- "windows-sys",
-]
-
 [[package]]
 name = "polling"
 version = "3.3.0"
@@ -1190,7 +1132,7 @@ dependencies = [
  "cfg-if",
  "concurrent-queue",
  "pin-project-lite",
- "rustix 0.38.21",
+ "rustix",
  "tracing",
  "windows-sys",
 ]
@@ -1343,20 +1285,6 @@ version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
-[[package]]
-name = "rustix"
-version = "0.37.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fea8ca367a3a01fe35e6943c400addf443c0f57670e6ec51196f71a4b8762dd2"
-dependencies = [
- "bitflags 1.3.2",
- "errno",
- "io-lifetimes",
- "libc",
- "linux-raw-sys 0.3.8",
- "windows-sys",
-]
-
 [[package]]
 name = "rustix"
 version = "0.38.21"
@@ -1366,7 +1294,7 @@ dependencies = [
  "bitflags 2.4.1",
  "errno",
  "libc",
- "linux-raw-sys 0.4.11",
+ "linux-raw-sys",
  "windows-sys",
 ]
 
@@ -1580,9 +1508,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
 dependencies = [
  "cfg-if",
- "fastrand 2.0.1",
+ "fastrand",
  "redox_syscall",
- "rustix 0.38.21",
+ "rustix",
  "windows-sys",
 ]
 
diff --git a/acmed/Cargo.toml b/acmed/Cargo.toml
index 69a0ade..7f59830 100644
--- a/acmed/Cargo.toml
+++ b/acmed/Cargo.toml
@@ -23,7 +23,7 @@ openssl_vendored = ["crypto_openssl", "acme_common/openssl_vendored"]
 [dependencies]
 acme_common = { path = "../acme_common" }
 async-lock = "3.0"
-async-process = "1.6"
+async-process = "2.0"
 bincode = "1.3"
 clap = { version = "4.0", features = ["string"] }
 futures = "0.3"