diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 4e56c45..493fb99 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
           - --features serde
         toolchain:
           - stable
-          - "1.88.0"
+          - "1.89.0"
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - uses: dtolnay/rust-toolchain@${{ matrix.toolchain }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1068292..4347d4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,7 +33,7 @@ Forked from [facebook/opaque-ke](https://github.com/facebook/opaque-ke/) at `4.1
 * Updated `Hash` trait to remove `BlockSizeUser` bounds incompatible with `digest 0.11`
 * Updated `GroupEncoding Repr` bound to `hybrid_array::Array`
 * Fixed `MaskedResponse::serialize` field ordering to match deserialization
-* Increased **MSRV** to **1.88**
+* Increased **MSRV** to **1.89**
 * Renamed crate to `opaque-vx`
 * Removed direct `rfc6979` dependency (handled by `ecdsa` internally)
 * Removed unstable `rustfmt` configurations for **Rust stable** compatibility
diff --git a/Cargo.toml b/Cargo.toml
index 9a34bfe..94d6b56 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ license = "Apache-2.0 OR MIT"
 name = "opaque-vx"
 readme = "README.md"
 repository = "https://github.com/vexahub/opaque-vx"
-rust-version = "1.88"
+rust-version = "1.89"
 version = "1.0.0-pre.0"
 
 [features]
diff --git a/README.md b/README.md
index 13607d3..fa8242d 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ opaque-ke = { package = "opaque-ke-vx", version = "1.0.0-pre.0" }
 
 ### Minimum Supported Rust Version
 
-Rust **1.88** or higher.
+Rust **1.89** or higher.
 
 Audit
 -----