diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 461d674..b93d06c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,7 +29,7 @@ jobs:
 
     runs-on: "${{ matrix.os }}"
     steps:
-      - uses: "actions/checkout@v4"
+      - uses: "actions/checkout@v5"
         with:
           # We need tags to get the correct code version:
           fetch-depth: 0
@@ -84,7 +84,7 @@ jobs:
       # IMPORTANT: this permission is mandatory for trusted publishing
       id-token: write
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           pattern: Wheels*
           merge-multiple: true
diff --git a/Cargo.toml b/Cargo.toml
index a82c268..c2b7fd5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,7 @@ readme = "README.md"
 license = "Apache 2.0"
 homepage = "https://github.com/G-Research/ahocorasick_rs"
 repository = "https://github.com/G-Research/ahocorasick_rs"
+resolver = "2"
 
 [lib]
 name = "ahocorasick_rs"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index e60b212..357670f 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.85.1"
+channel = "1.89"
 components = ["rustfmt", "clippy"]
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 06a1311..96c5233 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -194,7 +194,7 @@ impl PyAhoCorasick {
                     .into_iter()
                     .flat_map(|chunk| {
                         // Release the GIL in case some other thread wants to do work:
-                        py.allow_threads(|| ());
+                        py.detach(|| ());
 
                         chunk.map(|s| s.extract::<String>(py).ok())
                     })
@@ -234,7 +234,7 @@ impl PyAhoCorasick {
         let byte_to_code_point = self_.get_byte_to_code_point(haystack);
         let py = self_.py();
         let matches = get_matches(&self_.ac_impl, haystack.as_bytes(), overlapping)?;
-        py.allow_threads(|| {
+        py.detach(|| {
             Ok(matches
                 .map(|m| {
                     (
@@ -257,7 +257,7 @@ impl PyAhoCorasick {
     ) -> PyResult<Bound<'py, PyList>> {
         let py = self_.py();
         let matches = get_matches(&self_.ac_impl, haystack.as_bytes(), overlapping)?;
-        let matches = py.allow_threads(|| matches.collect::<Vec<_>>().into_iter());
+        let matches = py.detach(|| matches.collect::<Vec<_>>().into_iter());
         let result = match self_.patterns {
             Some(ref patterns) => {
                 PyList::new(py, matches.map(|m| patterns[m.pattern()].clone_ref(py)))
@@ -428,7 +428,7 @@ impl PyBytesAhoCorasick {
             // However, if the haystack is a PyBytes, it's guaranteed to be immutable,
             // so the safety caveat doesn't apply, and we can safely release the GIL
             // while the matches iterator is holding a reference to the haystack.
-            py.allow_threads(|| Ok(matches.collect()))
+            py.detach(|| Ok(matches.collect()))
         }
     }
 }