diff --git a/Cargo.toml b/Cargo.toml
index 87b3662..96e8eb6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "probly-search"
 description = "A lightweight full-text search engine with a fully customizable scoring function"
-version = "2.0.0-alpha-2"
+version = "2.0.0"
 authors = ["marcus-pousette <marcus.pousette@quantleaf.com>"]
 edition = "2021"
 license = "MIT"
@@ -15,7 +15,7 @@ exclude = [".github/**", ".gitignore", ".rustfmt.toml"]
 
 [dependencies]
 typed-generational-arena = "0.2"
-hashbrown = "0.12.3"
+hashbrown = "0.14"
 
 [dev-dependencies]
 lazy_static = "1.4.0"
diff --git a/src/index.rs b/src/index.rs
index 996c104..44c0052 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -91,7 +91,7 @@ impl<T: Eq + Hash + Copy + Debug> Index<T> {
         for i in 0..fields.len() {
             let field_values = field_accessors[i](doc);
             let fields_len = fields.len();
-            let mut field_details = fields.get_mut(i).unwrap();
+            let field_details = fields.get_mut(i).unwrap();
             for field_value in field_values {
                 // tokenize text
                 let terms = tokenizer(field_value);
diff --git a/src/query.rs b/src/query.rs
index 254b87b..7ccdeab 100644
--- a/src/query.rs
+++ b/src/query.rs
@@ -18,9 +18,9 @@ impl<T: Eq + Hash + Copy + Debug> Index<T> {
     /// Performs a search with a simple free text query.
     ///
     /// All token separators work as a disjunction operator.
-    pub fn query<'a, M, S: ScoreCalculator<T, M>>(
+    pub fn query<M, S: ScoreCalculator<T, M>>(
         &self,
-        query: &'a str,
+        query: &str,
         score_calculator: &mut S,
         tokenizer: Tokenizer,
         fields_boost: &[f64],