diff --git a/Cargo.lock b/Cargo.lock
index cb709ab..4d81996 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1013,9 +1013,9 @@ dependencies = [
 
 [[package]]
 name = "ctutils"
-version = "0.4.2"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d5515a3834141de9eafb9717ad39eea8247b5674e6066c404e8c4b365d2a29e"
+checksum = "38d28fb6aa7dd680b3ffd1a3e64e115c177bdba63c0ae7f9cd48129ff05c4fa0"
 dependencies = [
  "cmov",
 ]
@@ -1359,7 +1359,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3508,7 +3508,7 @@ dependencies = [
  "once_cell",
  "socket2 0.5.10",
  "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3823,7 +3823,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3882,7 +3882,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3893,9 +3893,9 @@ checksum = "eec689c0bc40ff2458a5977b6619cb718087084a18e02a131c599b62d05e1a5f"
 
 [[package]]
 name = "rustls-webpki"
-version = "0.103.15"
+version = "0.103.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3c3cf1d8b1e7d4927e2d154c3fcb02979afb9939629c62cd9048d4f07b60ac2"
+checksum = "4443b1b6d39d7c663139942cc4558262562d2c84123bb6282ef177009ca8b281"
 dependencies = [
  "aws-lc-rs",
  "ring",
@@ -5308,18 +5308,18 @@ dependencies = [
 
 [[package]]
 name = "webpki-root-certs"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b96554aa2acc8ccdb7e1c9a58a7a68dd5d13bccc69cd124cb09406db612a1c9b"
+checksum = "e49d0e65abc00c142e8f9428da991da9f1a250c39be97459901eb12b9b49f62a"
 dependencies = [
  "rustls-pki-types",
 ]
 
 [[package]]
 name = "webpki-roots"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dcd9d09a39985f5344844e66b0c530a33843579125f23e21e9f0f220850f22a"
+checksum = "f5f280bbb2b287bc8e7de7e3852945a0ff50d1bbcb5ed42b6c7a568c546df171"
 dependencies = [
  "rustls-pki-types",
 ]
@@ -5352,7 +5352,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
diff --git a/deny.toml b/deny.toml
index d743f62..d58624f 100644
--- a/deny.toml
+++ b/deny.toml
@@ -4,11 +4,12 @@ all-features = true
 [advisories]
 version = 2
 yanked = "deny"
-# Every entry is an advisory with no upgrade available, not one we chose not
-# to fix. Kit#260 tracks emptying this list; anything new must fail the build
-# rather than join it.
+# Every entry is an advisory with no semver-compatible upgrade available, not
+# one we chose not to fix. An entry needs a reason that references a tracking
+# issue (Kit#260 tracks emptying this list); anything else must fail the build.
 ignore = [
   { id = "RUSTSEC-2023-0071", reason = "Marvin timing sidechannel in `rsa`, which has never shipped a fix. Reached only through `jsonwebtoken` in `auth`, `github` and `license`. Removing it means those crates rejecting RSA algorithms outright, tracked in Kit#260." },
+  { id = "RUSTSEC-2026-0387", reason = "Timing issues in `crypto-bigint` 0.5.x, fixed only in >=0.7.6. Pinned by `elliptic-curve` 0.13 via `p256`/`p384` in `jsonwebtoken`, so no compatible upgrade exists. Tracked in Kit#260." },
 ]
 
 [licenses]