diff --git a/Cargo.lock b/Cargo.lock
index df6a1ba2..803a2cb7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5302,9 +5302,9 @@ dependencies = [
 
 [[package]]
 name = "openraft-memstore"
-version = "0.10.0-alpha.18"
+version = "0.10.0-alpha.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1088bc9ae135e392594f67a072588baa47df9959034a47f0efdff997cd833bb"
+checksum = "d9f2f4981afe12e56a7b180f4a0a1b50bee99ce280d4dcc97240c3607f5710e3"
 dependencies = [
  "derive_more 2.1.1",
  "futures",
diff --git a/crates/vectorizer-server/Cargo.toml b/crates/vectorizer-server/Cargo.toml
index e71b41e7..b814496f 100644
--- a/crates/vectorizer-server/Cargo.toml
+++ b/crates/vectorizer-server/Cargo.toml
@@ -135,7 +135,7 @@ tantivy = "0.26"
 
 # Openraft (replication)
 openraft = { version = "=0.10.0-alpha.20", features = ["serde", "type-alias"] }
-openraft-memstore = "=0.10.0-alpha.18"
+openraft-memstore = "=0.10.0-alpha.20"
 
 # Prometheus / OTel
 prometheus = "0.14"
diff --git a/crates/vectorizer/Cargo.toml b/crates/vectorizer/Cargo.toml
index 3f0bd393..bc264350 100644
--- a/crates/vectorizer/Cargo.toml
+++ b/crates/vectorizer/Cargo.toml
@@ -17,7 +17,7 @@ categories = ["database", "science"]
 # 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-memstore = "=0.10.0-alpha.18"
+openraft-memstore = "=0.10.0-alpha.20"
 futures = "0.3"
 ctrlc = { version = "3.5", optional = true }
 dirs = "6.0"