diff --git a/Cargo.lock b/Cargo.lock
index 3f7265b..f6dca9f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,6 +23,12 @@ version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bindgen"
 version = "0.68.1"
@@ -51,11 +57,11 @@ checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3"
 
 [[package]]
 name = "block-buffer"
-version = "0.10.4"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+checksum = "cdd35008169921d80bc60d3d0ab416eecb028c4cd653352907921d95084790be"
 dependencies = [
- "generic-array",
+ "hybrid-array",
 ]
 
 [[package]]
@@ -102,28 +108,27 @@ dependencies = [
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.17"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+checksum = "8b2a41393f66f16b0823bb79094d54ac5fbd34ab292ddafb9a0456ac9f87d201"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "crypto-common"
-version = "0.1.7"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+checksum = "ce6e4c961d6cd6c9a86db418387425e8bdeaf05b3c8bc1411e6dca4c252f1453"
 dependencies = [
- "generic-array",
- "typenum",
+ "hybrid-array",
 ]
 
 [[package]]
 name = "digest"
-version = "0.10.7"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
 dependencies = [
  "block-buffer",
  "crypto-common",
@@ -163,16 +168,6 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
 
-[[package]]
-name = "generic-array"
-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
-dependencies = [
- "typenum",
- "version_check",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.4.2"
@@ -213,6 +208,15 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "hybrid-array"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9155a582abd142abc056962c29e3ce5ff2ad5469f4246b537ed42c5deba857da"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "id-arena"
 version = "2.3.0"
@@ -302,6 +306,7 @@ dependencies = [
 name = "microvm-runtime"
 version = "0.4.0-alpha.1"
 dependencies = [
+ "base64",
  "libc",
  "nix 0.30.1",
  "serde",
@@ -310,6 +315,7 @@ dependencies = [
  "tempfile",
  "thiserror 2.0.18",
  "userfaultfd",
+ "vsock",
 ]
 
 [[package]]
@@ -342,6 +348,19 @@ dependencies = [
  "memoffset",
 ]
 
+[[package]]
+name = "nix"
+version = "0.31.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf20d2fde8ff38632c426f1165ed7436270b44f199fc55284c38276f9db47c3d"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+ "memoffset",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -497,9 +516,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.9"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
+checksum = "446ba717509524cb3f22f17ecc096f10f4822d76ab5c0b9822c5f9c284e825f4"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -620,10 +639,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "version_check"
-version = "0.9.5"
+name = "vsock"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+checksum = "6ba782755fc073877e567c2253c0be48e4aa9a254c232d36d3985dfae0bd5205"
+dependencies = [
+ "libc",
+ "nix 0.31.3",
+]
 
 [[package]]
 name = "wasip2"
diff --git a/Cargo.toml b/Cargo.toml
index ea74c66..9987410 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ nix = { version = "0.30", default-features = false, features = ["fs", "user", "s
 # selecting it specifically (over `ring`/`openssl`) keeps the supply-chain
 # surface to a single pure-Rust crate with no C dependencies, no FFI, and a
 # stable 0.10 line that has not had a security advisory in years.
-sha2 = { version = "0.10", default-features = false, optional = true }
+sha2 = { version = "0.11", default-features = false, optional = true }
 # `base64` is used by the `guest_metadata` module to encode raw secret bytes
 # onto the newline-delimited JSON wire format that talks to the in-guest
 # daemon. The crate is the de-facto pure-Rust base64 implementation; gated