diff --git a/Cargo.lock b/Cargo.lock
index 930d85e1..f6bc2580 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -242,7 +242,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -253,7 +253,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2338,7 +2338,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users 0.5.2",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2624,7 +2624,7 @@ 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]]
@@ -4980,7 +4980,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -5262,9 +5262,9 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openraft"
-version = "0.10.0-alpha.20"
+version = "0.10.0-alpha.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42a7b7775774f72c1ec9c4a7a74ec5274515c66c0af40b0f8119ebd36ec3fde4"
+checksum = "f40148cf75ead81993d5910bc72275e542e4e01a90241bf1905236843fe3009d"
 dependencies = [
  "anyerror",
  "backoff-series",
@@ -5291,9 +5291,9 @@ dependencies = [
 
 [[package]]
 name = "openraft-macros"
-version = "0.10.0-alpha.20"
+version = "0.10.0-alpha.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "880853cd85c2dd7883122134abcc5483005dd175d6027e9e00c1eede8fd2a956"
+checksum = "2ec23cd291c763fb17d8dabf7cc4eacaefd45d02e52a4df88ce50c702f030689"
 dependencies = [
  "chrono",
  "proc-macro2",
@@ -5319,9 +5319,9 @@ dependencies = [
 
 [[package]]
 name = "openraft-rt"
-version = "0.10.0-alpha.20"
+version = "0.10.0-alpha.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ba87cea8e45601807f2537fd9e657e02c9ee2fdaa9be4ece013b296b03b2c97"
+checksum = "a31c2d12e376df204612bb2016d652ea2d48b8edeaa04263facbe2fc7a11e3ef"
 dependencies = [
  "futures-channel",
  "futures-util",
@@ -5332,9 +5332,9 @@ dependencies = [
 
 [[package]]
 name = "openraft-rt-tokio"
-version = "0.10.0-alpha.20"
+version = "0.10.0-alpha.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a539ef5ef89d4da720c56300aeb702d6ddf2a9fa653b029b79d30e5f8cf68fa"
+checksum = "6d8c01f2a456a864282bc4eaf76f1f78ab040d80416fd30fd15b8ab88faa337a"
 dependencies = [
  "futures-util",
  "openraft-rt",
@@ -7264,7 +7264,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -7332,7 +7332,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -7842,7 +7842,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
 dependencies = [
  "libc",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -8281,7 +8281,7 @@ dependencies = [
  "getrandom 0.4.2",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -8302,7 +8302,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "230a1b821ccbd75b185820a1f1ff7b14d21da1e442e22c0863ea5f08771a8874"
 dependencies = [
  "rustix",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -9960,7 +9960,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.48.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
diff --git a/crates/vectorizer-server/Cargo.toml b/crates/vectorizer-server/Cargo.toml
index 391417e8..d243c4b4 100644
--- a/crates/vectorizer-server/Cargo.toml
+++ b/crates/vectorizer-server/Cargo.toml
@@ -134,7 +134,7 @@ flate2 = "1.1"
 tantivy = "0.26"
 
 # Openraft (replication)
-openraft = { version = "=0.10.0-alpha.20", features = ["serde", "type-alias"] }
+openraft = { version = "=0.10.0-alpha.21", features = ["serde", "type-alias"] }
 openraft-memstore = "=0.10.0-alpha.20"
 
 # Prometheus / OTel
diff --git a/crates/vectorizer/Cargo.toml b/crates/vectorizer/Cargo.toml
index 39d843a3..e35c262a 100644
--- a/crates/vectorizer/Cargo.toml
+++ b/crates/vectorizer/Cargo.toml
@@ -16,7 +16,7 @@ categories = ["database", "science"]
 # layer to a newer alpha whose behavior we haven't vetted. When a stable
 # 0.10 or 0.11 ships, bump both pins together and retest the HA path
 # (tests/integration/cluster_ha.rs). Risk note published in CHANGELOG.
-openraft = { version = "=0.10.0-alpha.20", features = ["serde", "type-alias"] }
+openraft = { version = "=0.10.0-alpha.21", features = ["serde", "type-alias"] }
 openraft-memstore = "=0.10.0-alpha.20"
 futures = "0.3"
 ctrlc = { version = "3.5", optional = true }