diff --git a/Cargo.lock b/Cargo.lock
index 3f39837c51..d4c4400d0a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -196,7 +196,16 @@ version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4e92edec8974fcd7ece90bb021db782abe14a61c10c817f197f700fef7430eb8"
 dependencies = [
- "embedded-io",
+ "embedded-io 0.6.1",
+]
+
+[[package]]
+name = "capnp"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "015e45130949bb49a7776b7aa96d78d0cb7a8ddba8a8357c2103e77aebbb66ad"
+dependencies = [
+ "embedded-io 0.7.1",
 ]
 
 [[package]]
@@ -205,7 +214,7 @@ version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d04478adeb234836f886ec554a0d96e3af3a939ba7b3962af5addddf7ab71231"
 dependencies = [
- "capnp",
+ "capnp 0.21.7",
  "futures-channel",
  "futures-util",
 ]
@@ -216,18 +225,18 @@ version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "85e9c19ef52ff1b9c9822fb21bfa68a72bc58711676295ff06eb88e64c7877f7"
 dependencies = [
- "capnp",
+ "capnp 0.21.7",
  "capnp-futures",
  "futures",
 ]
 
 [[package]]
 name = "capnpc"
-version = "0.21.4"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6da96dcb0a0e0c526daf42bac55e1550f18ad973df9ef9ba75204f332c80ad16"
+checksum = "1af1ceeadd28bef56425e170308d287dad0e28f43978cd6b02d3bb1bf7b822fe"
 dependencies = [
- "capnp",
+ "capnp 0.22.0",
 ]
 
 [[package]]
@@ -325,7 +334,7 @@ dependencies = [
 name = "conmon-common"
 version = "0.7.1"
 dependencies = [
- "capnp",
+ "capnp 0.21.7",
  "capnpc",
 ]
 
@@ -336,7 +345,7 @@ dependencies = [
  "anyhow",
  "async-channel",
  "axum",
- "capnp",
+ "capnp 0.21.7",
  "capnp-rpc",
  "clap",
  "command-fds",
@@ -383,7 +392,7 @@ dependencies = [
 name = "conmonrs-cli"
 version = "0.7.1"
 dependencies = [
- "capnp",
+ "capnp 0.21.7",
  "capnp-rpc",
  "conmon-common",
  "futures",
@@ -502,6 +511,12 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edd0f118536f44f5ccd48bcb8b111bdc3de888b58c74639dfb034a357d0f206d"
 
+[[package]]
+name = "embedded-io"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9eb1aa714776b75c7e67e1da744b81a129b3ff919c8712b5e1b32252c1f07cc7"
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
diff --git a/conmon-rs/common/Cargo.toml b/conmon-rs/common/Cargo.toml
index 89d6a195e3..5984d06fba 100644
--- a/conmon-rs/common/Cargo.toml
+++ b/conmon-rs/common/Cargo.toml
@@ -9,4 +9,4 @@ capnp = "0.21.7"
 
 [build-dependencies]
 capnp = { version = "0.21.7", default-features = false }
-capnpc = { version = "0.21.4", default-features = false }
+capnpc = { version = "0.22.0", default-features = false }