diff --git a/Cargo.lock b/Cargo.lock
index cd10f1e9..26df0863 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -421,7 +421,7 @@ checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "harper-core"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "hashbrown",
  "is-macro",
@@ -436,7 +436,7 @@ dependencies = [
 
 [[package]]
 name = "harper-ls"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "clap",
  "harper-core",
diff --git a/harper-core/Cargo.toml b/harper-core/Cargo.toml
index ec72a254..b245bae1 100644
--- a/harper-core/Cargo.toml
+++ b/harper-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "harper-core"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 description = "The language checker for artists."
 license = "MIT OR Apache-2.0"
diff --git a/harper-core/dictionary.dict b/harper-core/dictionary.dict
index 8eba8a79..664f168e 100644
--- a/harper-core/dictionary.dict
+++ b/harper-core/dictionary.dict
@@ -49585,3 +49585,4 @@ CommonMark/M
 lex/D
 Levenshtein/M
 QUERTY
+SIMD
diff --git a/harper-core/src/parsers/markdown.rs b/harper-core/src/parsers/markdown.rs
index bf749c65..29dab5f6 100644
--- a/harper-core/src/parsers/markdown.rs
+++ b/harper-core/src/parsers/markdown.rs
@@ -1,7 +1,4 @@
-use itertools::Itertools;
-use pulldown_cmark::LinkType;
-
-use super::{Parser, PlainEnglish, StrParser};
+use super::{Parser, PlainEnglish};
 use crate::{Span, Token, TokenKind};
 
 /// A parser that wraps the [`PlainEnglish`] parser that allows one to parse CommonMark files.
diff --git a/harper-ls/Cargo.toml b/harper-ls/Cargo.toml
index bd1598e8..7e1f5c1b 100644
--- a/harper-ls/Cargo.toml
+++ b/harper-ls/Cargo.toml
@@ -1,12 +1,12 @@
 [package]
 name = "harper-ls"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 description = "The language checker for artists."
 license = "MIT OR Apache-2.0"
 
 [dependencies]
-harper-core = { path = "../harper-core", version = "0.3.0" }
+harper-core = { path = "../harper-core", version = "0.4.0" }
 tower-lsp = "0.20.0"
 tokio = { version = "1.35.1", features = ["full"] }
 clap = { version = "4.4.18", features = ["derive"] }
diff --git a/harper-ls/src/tree_sitter_parser.rs b/harper-ls/src/tree_sitter_parser.rs
index 9981fcc0..c5756367 100644
--- a/harper-ls/src/tree_sitter_parser.rs
+++ b/harper-ls/src/tree_sitter_parser.rs
@@ -25,6 +25,7 @@ impl TreeSitterParser {
             "go" => tree_sitter_go::language(),
             "c" => tree_sitter_c::language(),
             "cpp" => tree_sitter_cpp::language(),
+            "h" => tree_sitter_cpp::language(),
             "rb" => tree_sitter_ruby::language(),
             "swift" => tree_sitter_ruby::language(),
             "cs" => tree_sitter_c_sharp::language(),