diff --git a/Cargo.lock b/Cargo.lock
index 8d04b35a7..b702fd2e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -103,7 +103,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -114,7 +114,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -1014,7 +1014,7 @@ dependencies = [
  "maybe-owned",
  "rustix",
  "rustix-linux-procfs",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
  "winx",
 ]
 
@@ -1640,9 +1640,9 @@ dependencies = [
 
 [[package]]
 name = "ctutils"
-version = "0.4.2"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d5515a3834141de9eafb9717ad39eea8247b5674e6066c404e8c4b365d2a29e"
+checksum = "fe3e9d21d39e6f39ff46e03d5b621424f88ee23d8a1672c6bfc9ccc7f2da4f6a"
 dependencies = [
  "cmov",
 ]
@@ -1967,7 +1967,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users 0.5.3",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -2223,7 +2223,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -4096,7 +4096,7 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "82cb6a9f675da968c63b6208c641b9dca58fc0133ae53375736b1767b0cab8bd"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -4899,7 +4899,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5744,7 +5744,7 @@ dependencies = [
  "once_cell",
  "socket2",
  "tracing",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -6159,7 +6159,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -6226,7 +6226,7 @@ dependencies = [
  "security-framework 3.7.0",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -6868,7 +6868,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3d1e2c7f27f8d4cb10542a02c49005dbd6e93095799d6f3be745fae9f8fedd4"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -6897,7 +6897,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "psm",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -7085,7 +7085,7 @@ dependencies = [
  "getrandom 0.3.4",
  "once_cell",
  "rustix",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -7125,7 +7125,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "230a1b821ccbd75b185820a1f1ff7b14d21da1e442e22c0863ea5f08771a8874"
 dependencies = [
  "rustix",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -7274,9 +7274,9 @@ checksum = "fd3ca314f692efd6c868f8408f53fe444634a845f96c028b97d35f6a1f79f0ee"
 
 [[package]]
 name = "tokio"
-version = "1.53.1"
+version = "1.54.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "202caea871b69668250d242070849eb495be178ed697a3e98aebce5bc81a0bed"
+checksum = "b52fd3255258d26fac7264ab5a76b53c13367136dc011d3d6ad4f8ed070396a3"
 dependencies = [
  "bytes",
  "libc",
@@ -7570,7 +7570,7 @@ checksum = "f2f6fb2847f6742cd76af783a2a2c49e9375d0a111c7bef6f71cd9e738c72d6e"
 dependencies = [
  "memoffset",
  "tempfile",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -8330,7 +8330,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -8728,7 +8728,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d6f32a0ff4a9f6f01231eb2059cc85479330739333e0e58cadf03b6af2cca10"
 dependencies = [
  "cfg-if",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
diff --git a/deny.toml b/deny.toml
index cd90712d0..11aca7759 100644
--- a/deny.toml
+++ b/deny.toml
@@ -8,13 +8,21 @@
 exclude-dev = true
 
 [advisories]
-# Vulnerabilities are always denied. Informational advisories are transitive
-# crates we do not pick, usually with no patched version, and GHSA omits them so
-# Dependabot never raises them either. Replaces the stale hand-maintained ignore
-# list in .cargo/audit.toml.
+# Vulnerabilities are denied, except one listed in `ignore` below, which needs
+# a fix already in progress and a link to it. Informational advisories are
+# transitive crates we do not pick, usually with no patched version, and GHSA
+# omits them so Dependabot never raises them either. Replaces the stale
+# hand-maintained ignore list in .cargo/audit.toml.
 unmaintained = "none"
 # Not a vulnerability, and usually clears on the next `cargo update`.
 yanked = "warn"
+ignore = [
+  # crypto-bigint 0.5 has no patched release, and ic-agent's elliptic-curve
+  # 0.13 stack pins it. A timing side channel is a remote risk for a local CLI
+  # that signs only with the user's own keys. Remove once ic-agent ships the
+  # 0.14 stack (dfinity/agent-rs#745) and icp-cli moves to it.
+  { id = "RUSTSEC-2026-0387", reason = "crypto-bigint 0.5 pinned by ic-agent; fix in dfinity/agent-rs#745" },
+]
 
 [licenses]
 # Binary distribution, so: attribution-only terms, plus MPL-2.0, whose copyleft