diff --git a/.github/workflows/cipher.yml b/.github/workflows/cipher.yml
index aecc168a2..0c1d3d176 100644
--- a/.github/workflows/cipher.yml
+++ b/.github/workflows/cipher.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.65.0 # MSRV
+          - 1.81.0 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi
@@ -57,7 +57,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.65.0 # MSRV
+          - 1.81.0 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v4
diff --git a/Cargo.toml b/Cargo.toml
index 2ca101fbc..354080ca9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,5 +16,6 @@ members = [
 ]
 
 [patch.crates-io]
+crypto-common = { path = "./crypto-common" }
 digest = { path = "./digest" }
 signature = { path = "./signature" }
diff --git a/cipher/Cargo.toml b/cipher/Cargo.toml
index 1125a68b4..26fde3abf 100644
--- a/cipher/Cargo.toml
+++ b/cipher/Cargo.toml
@@ -6,14 +6,14 @@ authors = ["RustCrypto Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
 edition = "2021"
-rust-version = "1.65"
+rust-version = "1.81"
 documentation = "https://docs.rs/cipher"
 repository = "https://github.com/RustCrypto/traits"
 keywords = ["crypto", "block-cipher", "stream-cipher", "trait"]
 categories = ["cryptography", "no-std"]
 
 [dependencies]
-crypto-common = { version = "0.2.0-rc.1", path = "../crypto-common/" }
+crypto-common = "0.2.0-rc.1"
 inout = "0.2.0-rc.0"
 
 # optional dependencies
diff --git a/cipher/README.md b/cipher/README.md
index 716973c1c..350be54bd 100644
--- a/cipher/README.md
+++ b/cipher/README.md
@@ -16,7 +16,7 @@ implementations which use these traits.
 
 ## Minimum Supported Rust Version
 
-Rust **1.65** or higher.
+Rust **1.81** or higher.
 
 Minimum supported Rust version can be changed in the future, but it will be
 done with a minor version bump.
@@ -48,7 +48,7 @@ dual licensed as above, without any additional terms or conditions.
 [docs-image]: https://docs.rs/cipher/badge.svg
 [docs-link]: https://docs.rs/cipher/
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.65+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.81+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/260050-traits
 [build-image]: https://github.com/RustCrypto/traits/workflows/cipher/badge.svg?branch=master&event=push
diff --git a/digest/Cargo.toml b/digest/Cargo.toml
index 8f44c7d0a..8493bf4ac 100644
--- a/digest/Cargo.toml
+++ b/digest/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["RustCrypto Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
 edition = "2021"
-rust-version = "1.71"
+rust-version = "1.81"
 documentation = "https://docs.rs/digest"
 repository = "https://github.com/RustCrypto/traits"
 keywords = ["digest", "crypto", "hash"]
diff --git a/universal-hash/Cargo.toml b/universal-hash/Cargo.toml
index d98e8dd91..d330e0679 100644
--- a/universal-hash/Cargo.toml
+++ b/universal-hash/Cargo.toml
@@ -5,7 +5,7 @@ description = "Traits which describe the functionality of universal hash functio
 authors = ["RustCrypto Developers"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.65"
+rust-version = "1.81"
 readme = "README.md"
 documentation = "https://docs.rs/universal-hash"
 repository = "https://github.com/RustCrypto/traits"