diff --git a/Cargo.toml b/Cargo.toml
index f4bfc2f..a6b129a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "redisearch_api"
-version = "0.4.1"
+version = "0.4.2"
 authors = ["Gavrie Philipson <gavrie@redislabs.com>", "Guy Korland <guy.korland@redislabs.com>"]
 edition = "2018"
 description = "Rust RediSearch API binding"
@@ -14,7 +14,7 @@ crate-type = ["cdylib"]
 
 
 [dependencies]
-redis-module = { version="0.9.1", features = ["experimental-api"]}
+redis-module = { version="0.9.2", features = ["experimental-api"]}
 bitflags = "1.1"
 libc = "0.2"
 time = "0.1"
@@ -22,7 +22,7 @@ enum-primitive-derive = "0.1.2"
 num-traits = "0.2.8"
 
 [build-dependencies]
-bindgen = "0.51"
+bindgen = "0.54"
 cmake = "0.1"
 
 [features]
diff --git a/build.rs b/build.rs
index b194dca..f9bc442 100644
--- a/build.rs
+++ b/build.rs
@@ -13,6 +13,8 @@ fn main() {
         .whitelist_var("(RS|RediSearch|REDISEARCH_|GC_POLICY).*")
         .whitelist_function("RediSearch.*")
         .blacklist_item("RedisModule.*")
+        .blacklist_type("__darwin_.*")
+        .size_t_is_usize(true)
         .raw_line("use redis_module::raw::{RedisModuleCtx, RedisModuleString};")
         .generate()
         .expect("error generating RediSearch bindings");
diff --git a/src/index.rs b/src/index.rs
index a9d46ea..0b56d84 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -172,7 +172,7 @@ impl Iterator for ResultsIterator<'_> {
             // A null pointer means we have no results.
             return None;
         }
-        let mut len = 0usize;
+        let mut len = 0;
         let key = unsafe {
             let raw_key =
                 raw::RediSearch_ResultsIteratorNext(self.inner, self.index.inner, &mut len)