diff --git a/.github/workflows/elliptic-curve.yml b/.github/workflows/elliptic-curve.yml
index 082155f07..d18193e87 100644
--- a/.github/workflows/elliptic-curve.yml
+++ b/.github/workflows/elliptic-curve.yml
@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.81.0 # MSRV
+          - 1.83.0 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi
@@ -75,7 +75,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.81.0 # MSRV
+          - 1.83.0 # MSRV
           - stable
           - nightly
     steps:
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index 17e37767d..d41449d05 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.82.0
+          toolchain: 1.84.0
           components: clippy
       - run: cargo clippy --all --all-features --tests -- -D warnings
 
diff --git a/Cargo.lock b/Cargo.lock
index 9bb81b27f..9d8b6503c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -293,9 +293,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.6.0-rc.6"
+version = "0.6.0-rc.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d748d1f5b807ee6d0df5a548d0130417295c3aaed1dcbbb3d6a2e7106e11fcca"
+checksum = "e5b2d0aa9f9958eea3b6b6ecb18ee55408f0065a9ea96f777ecdb5fa55ebbcfc"
 dependencies = [
  "hybrid-array",
  "num-traits",
@@ -490,7 +490,7 @@ version = "0.14.0-rc.1"
 dependencies = [
  "base16ct",
  "base64ct",
- "crypto-bigint 0.6.0-rc.6",
+ "crypto-bigint 0.6.0-rc.8",
  "digest 0.11.0-pre.9",
  "ff 0.13.0",
  "group 0.13.0",
diff --git a/elliptic-curve/Cargo.toml b/elliptic-curve/Cargo.toml
index 775da9017..f3c42fb46 100644
--- a/elliptic-curve/Cargo.toml
+++ b/elliptic-curve/Cargo.toml
@@ -14,11 +14,11 @@ readme = "README.md"
 categories = ["cryptography", "no-std"]
 keywords = ["crypto", "ecc", "elliptic", "weierstrass"]
 edition = "2021"
-rust-version = "1.81"
+rust-version = "1.83"
 
 [dependencies]
 base16ct = "0.2"
-crypto-bigint = { version = "0.6.0-rc.6", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
+crypto-bigint = { version = "0.6.0-rc.8", default-features = false, features = ["rand_core", "hybrid-array", "zeroize"] }
 hybrid-array = { version = "0.2", default-features = false, features = ["zeroize"] }
 rand_core = { version = "0.6.4", default-features = false }
 subtle = { version = "2.6", default-features = false }
diff --git a/elliptic-curve/README.md b/elliptic-curve/README.md
index 0c8fad474..218d70eb9 100644
--- a/elliptic-curve/README.md
+++ b/elliptic-curve/README.md
@@ -15,7 +15,7 @@ and public/secret keys composed thereof.
 
 ## Minimum Supported Rust Version
 
-Requires Rust **1.81** or higher.
+Requires Rust **1.83** or higher.
 
 Minimum supported Rust version can be changed in the future, but it will be
 done with a minor version bump.
@@ -49,6 +49,6 @@ dual licensed as above, without any additional terms or conditions.
 [build-image]: https://github.com/RustCrypto/traits/actions/workflows/elliptic-curve.yml/badge.svg
 [build-link]: https://github.com/RustCrypto/traits/actions/workflows/elliptic-curve.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.81+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.83+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/260040-elliptic-curves