diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index faac89c..01ff261 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,3 +20,5 @@ jobs:
       run: cargo build --verbose
     - name: Run tests
       run: cargo test --verbose
+    - name: Run lints
+      run: cargo clippy --all-targets -- -D warnings
diff --git a/Cargo.lock b/Cargo.lock
index 5b95e2b..5878482 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -879,7 +879,7 @@ dependencies = [
 
 [[package]]
 name = "protols"
-version = "0.12.9"
+version = "0.13.0"
 dependencies = [
  "async-lsp",
  "basic-toml",
diff --git a/src/workspace/workspace_symbol.rs b/src/workspace/workspace_symbol.rs
index 5a57b15..45da1f6 100644
--- a/src/workspace/workspace_symbol.rs
+++ b/src/workspace/workspace_symbol.rs
@@ -1,7 +1,6 @@
 #[cfg(test)]
 mod test {
     use insta::assert_yaml_snapshot;
-    use insta::internals::{Content, ContentPath};
 
     use crate::config::Config;
     use crate::state::ProtoLanguageState;
@@ -10,22 +9,22 @@ mod test {
     fn test_workspace_symbols() {
         let current_dir = std::env::current_dir().unwrap();
         let ipath = vec![current_dir.join("src/workspace/input")];
-        let a_uri = (&format!(
+        let a_uri = format!(
             "file://{}/src/workspace/input/a.proto",
             current_dir.to_str().unwrap()
-        ))
+        )
             .parse()
             .unwrap();
-        let b_uri = (&format!(
+        let b_uri = format!(
             "file://{}/src/workspace/input/b.proto",
             current_dir.to_str().unwrap()
-        ))
+        )
             .parse()
             .unwrap();
-        let c_uri = (&format!(
+        let c_uri = format!(
             "file://{}/src/workspace/input/c.proto",
             current_dir.to_str().unwrap()
-        ))
+        )
             .parse()
             .unwrap();
 
@@ -49,7 +48,7 @@ mod test {
             );
             format!(
                 "file://<redacted>/src/workspace/input/{}",
-                c.as_str().unwrap().split('/').last().unwrap()
+                c.as_str().unwrap().split('/').next_back().unwrap()
             )
 
         })});
@@ -65,7 +64,7 @@ mod test {
             );
             format!(
                 "file://<redacted>/src/workspace/input/{}",
-                c.as_str().unwrap().split('/').last().unwrap()
+                c.as_str().unwrap().split('/').next_back().unwrap()
             )
         })});
 
@@ -75,11 +74,11 @@ mod test {
             assert!(
                 c.as_str()
                     .unwrap()
-                    .contains(&current_dir.to_str().unwrap())
+                    .contains(current_dir.to_str().unwrap())
             );
             format!(
                 "file://<redacted>/src/workspace/input/{}",
-                c.as_str().unwrap().split('/').last().unwrap()
+                c.as_str().unwrap().split('/').next_back().unwrap()
             )
         })});