diff --git a/Cargo.toml b/Cargo.toml
index 3f072bf4c..001834d6b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ skeptic = "0.13"
 
 [build-dependencies]
 anyhow = "1"
-bindgen = "0.68.1"
+bindgen = "0.70"
 cc = "1.0"
 skeptic = "0.13"
 
diff --git a/docsrs_bindings.rs b/docsrs_bindings.rs
index ece3117fd..900390cd7 100644
--- a/docsrs_bindings.rs
+++ b/docsrs_bindings.rs
@@ -1,4 +1,4 @@
-/* automatically generated by rust-bindgen 0.68.1 */
+/* automatically generated by rust-bindgen 0.70.1 */
 
 #[repr(C)]
 #[derive(Copy, Clone, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
diff --git a/tests/src/integration/defaults/mod.rs b/tests/src/integration/defaults/mod.rs
index 03ab1a730..5b1e2a5a5 100644
--- a/tests/src/integration/defaults/mod.rs
+++ b/tests/src/integration/defaults/mod.rs
@@ -12,6 +12,7 @@ pub fn test_defaults_nullable_string(a: Option<String>) -> Option<String> {
     a
 }
 
+#[allow(clippy::unnecessary_wraps)]
 #[php_function]
 #[php(defaults(a = None, b = None))]
 pub fn test_defaults_multiple_option_arguments(