diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8d36b07..66fffbf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -70,7 +70,7 @@ jobs:
       matrix:
         # When updating this, the reminder to update the minimum supported
         # Rust version in Cargo.toml.
-        rust: ['1.59']
+        rust: ['1.61']
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust
@@ -105,6 +105,7 @@ jobs:
           echo "RUSTFLAGS=${RUSTFLAGS} -Z randomize-layout" >>"${GITHUB_ENV}"
       - run: cargo miri test --all
       - run: cargo miri test --no-default-features --tests
+      - run: cargo miri test --no-default-features --features portable-atomic --tests
 
   security_audit:
     permissions:
diff --git a/Cargo.toml b/Cargo.toml
index f15a149..ca4ca79 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ name = "event-listener"
 version = "4.0.0"
 authors = ["Stjepan Glavina <stjepang@gmail.com>"]
 edition = "2021"
-rust-version = "1.59"
+rust-version = "1.61"
 description = "Notify async tasks or threads"
 license = "Apache-2.0 OR MIT"
 repository = "https://github.com/smol-rs/event-listener"
@@ -22,7 +22,7 @@ portable-atomic = ["portable-atomic-util", "portable_atomic_crate"]
 [dependencies]
 concurrent-queue = { version = "2.2.0", default-features = false }
 pin-project-lite = "0.2.12"
-portable-atomic-util = { version = "0.1.2", default-features = false, optional = true, features = ["alloc"] }
+portable-atomic-util = { version = "0.1.4", default-features = false, optional = true, features = ["alloc"] }
 
 [target.'cfg(not(target_family = "wasm"))'.dependencies]
 parking = { version = "2.0.0", optional = true }