diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5faa31affc..492171c84a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 # UNRELEASED
 
+### chore: bump `ic-agent`, `ic-identity-hsm`, `ic-utils` and `ic-transport-types` to 0.47.3
+
 # 0.32.0
 
 ### feat: Deprecate dfx. All commands will throw off a deprecation warning (this can be disabled with `DFX_WARNING=-deprecation`).
diff --git a/Cargo.lock b/Cargo.lock
index 0282825f73..b7c8c8dc6b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1065,7 +1065,7 @@ checksum = "af491d569909a7e4dee0ad7db7f5341fef5c614d5b8ec8cf765732aba3cff681"
 dependencies = [
  "serde",
  "termcolor",
- "unicode-width 0.1.14",
+ "unicode-width 0.2.2",
 ]
 
 [[package]]
@@ -1719,7 +1719,7 @@ dependencies = [
  "ic-cdk",
  "ic-identity-hsm",
  "ic-management-canister-types 0.7.1",
- "ic-utils 0.47.0",
+ "ic-utils 0.47.3",
  "ic-wasm",
  "icrc-ledger-types",
  "idl2json",
@@ -1776,7 +1776,7 @@ dependencies = [
 
 [[package]]
 name = "dfx-core"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "aes-gcm",
  "argon2",
@@ -1796,7 +1796,7 @@ dependencies = [
  "humantime-serde",
  "ic-agent",
  "ic-identity-hsm",
- "ic-utils 0.47.0",
+ "ic-utils 0.47.3",
  "itertools 0.10.5",
  "k256 0.11.6",
  "keyring",
@@ -2888,9 +2888,9 @@ dependencies = [
 
 [[package]]
 name = "ic-agent"
-version = "0.47.2"
+version = "0.47.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fefe511d29d927aa5a2090c2e26e0b72cd0633ab7007927e19aeceb05c2a42b1"
+checksum = "85dbab284eac1806b77833cff143d66ae97aae74d34b0e60fb4ab4edf3d6fa12"
 dependencies = [
  "arc-swap",
  "async-channel 2.5.0",
@@ -2911,7 +2911,7 @@ dependencies = [
  "http-body-util",
  "ic-certification 3.1.0",
  "ic-ed25519",
- "ic-transport-types 0.47.2",
+ "ic-transport-types 0.47.3",
  "ic-verify-bls-signature",
  "ic_principal",
  "k256 0.13.4",
@@ -2951,7 +2951,7 @@ dependencies = [
  "globset",
  "hex",
  "ic-agent",
- "ic-utils 0.47.0",
+ "ic-utils 0.47.3",
  "itertools 0.10.5",
  "json5",
  "mime",
@@ -3395,9 +3395,9 @@ dependencies = [
 
 [[package]]
 name = "ic-identity-hsm"
-version = "0.47.0"
+version = "0.47.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "979ad4a529f16a1d2fea2904c0a8dd9500668b02f9fcb8ebcb7694621bd9f369"
+checksum = "577e4411ea208f0bf7e6bf13535660df682fada94f45fbbc79b7e34c946a06ae"
 dependencies = [
  "hex",
  "ic-agent",
@@ -3569,9 +3569,9 @@ dependencies = [
 
 [[package]]
 name = "ic-transport-types"
-version = "0.47.2"
+version = "0.47.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a46a13c1e36d4ac5db68a84e68f2e9edf7773bea131e915e251709b00f5910d9"
+checksum = "a2116182b3ec5a831d579db0a205b6cf9c2ca96616493bef99480532d0b3c2f5"
 dependencies = [
  "candid",
  "hex",
@@ -3637,9 +3637,9 @@ dependencies = [
 
 [[package]]
 name = "ic-utils"
-version = "0.47.0"
+version = "0.47.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4dac90c041fee47ed98d9f2d1bb3455fb79c43bc4730af3c91f29aec3822e52"
+checksum = "f793db5d338dd9d0b659c2ce40080d7c9811cff6f171560f781cd2d6a43b7353"
 dependencies = [
  "async-trait",
  "candid",
@@ -3872,7 +3872,7 @@ dependencies = [
  "humantime",
  "ic-agent",
  "ic-asset",
- "ic-utils 0.47.0",
+ "ic-utils 0.47.3",
  "libflate 1.4.0",
  "num-traits",
  "pem 1.1.1",
diff --git a/Cargo.toml b/Cargo.toml
index 2e6cb8715b..c85cf5e6f2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ resolver = "3"
 authors = ["DFINITY Stiftung <sdk@dfinity.org>"]
 edition = "2024"
 repository = "https://github.com/dfinity/sdk"
-rust-version = "1.85.0"
+rust-version = "1.88.0"
 license = "Apache-2.0"
 
 [workspace.lints.clippy]
@@ -25,12 +25,12 @@ future_not_send = "warn"
 [workspace.dependencies]
 candid = "0.10.18"
 candid_parser = "0.3.0"
-dfx-core = { path = "src/dfx-core", version = "0.3.0" }
-ic-agent = "0.47.0"
+dfx-core = { path = "src/dfx-core", version = "0.4.0" }
+ic-agent = "0.47.3"
 ic-asset = { path = "src/canisters/frontend/ic-asset", version = "0.29.0" }
 ic-cdk = "0.19.0-beta.2"
-ic-identity-hsm = "0.47.0"
-ic-utils = "0.47.0"
+ic-identity-hsm = "0.47.3"
+ic-utils = "0.47.3"
 ic-management-canister-types = "0.7.1"
 
 aes-gcm = { version = "0.10.3", features = ["std"] }
diff --git a/src/dfx-core/CHANGELOG.md b/src/dfx-core/CHANGELOG.md
index 1cf53fc584..d7b8d42edf 100644
--- a/src/dfx-core/CHANGELOG.md
+++ b/src/dfx-core/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0] - 2026-05-18
+
+### Changed
+
+- updated ic-agent dependency to 0.47.3
+
 ## [0.3.0] - 2026-02-10
 
 ### Changed
diff --git a/src/dfx-core/Cargo.toml b/src/dfx-core/Cargo.toml
index 150a238858..367532521e 100644
--- a/src/dfx-core/Cargo.toml
+++ b/src/dfx-core/Cargo.toml
@@ -2,7 +2,7 @@
 name = "dfx-core"
 # This crate exposes types from `ic-agent`,
 # so we bump the major version when `ic-agent` is bumped.
-version = "0.3.0"
+version = "0.4.0"
 authors.workspace = true
 edition.workspace = true
 repository.workspace = true