diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 723f1d72..16a64d20 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -86,7 +86,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: ['1.63.0', 'stable', 'beta']
+        rust: ['1.63.0', '1.69.0', 'stable', 'beta']
 
     runs-on: 'ubuntu-latest'
 
@@ -142,6 +142,7 @@ jobs:
         with:
           command: test
           args: --features "block_on executor signals"
+        if: ${{ matrix.rust != '1.63.0' }}
 
       - name: Run book tests
         uses: actions-rs/cargo@v1
diff --git a/Cargo.toml b/Cargo.toml
index 6c3cd922..a88cd2a0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ rustix = { version = "0.38", default-features = false, features = ["event", "fs"
 thiserror = "1.0.7"
 
 [target.'cfg(unix)'.dependencies]
-nix = { version = "0.26", default-features = false, features = ["signal"], optional = true }
+nix = { version = "0.28", default-features = false, features = ["signal"], optional = true }
 
 [dev-dependencies]
 futures = "0.3.5"
diff --git a/README.md b/README.md
index 1b1d4ca7..c9f50130 100644
--- a/README.md
+++ b/README.md
@@ -145,4 +145,10 @@ OpenBSD, DragonFlyBSD.
 Those platforms *should* work based on the fact that they have the same polling mechanism as
 tested platforms, but some subtle bugs might still occur.
 
+### Minimum Safe Rust Version
+
+The current MSRV (Minimum Safe Rust Version) for this crate is Rust **1.63**.
+When the `signals` feature is enabled, however, it will be bumped to `nix`'s
+MSRV. At the time of writing this is Rust **1.69**.
+
 License: MIT