diff --git a/Cargo.lock b/Cargo.lock
index 40f47aab..59c2f23d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -576,6 +576,7 @@ dependencies = [
  "tree-sitter-bash",
  "tree-sitter-c",
  "tree-sitter-c-sharp",
+ "tree-sitter-cmake",
  "tree-sitter-cpp",
  "tree-sitter-go",
  "tree-sitter-haskell",
@@ -1730,6 +1731,16 @@ dependencies = [
  "tree-sitter",
 ]
 
+[[package]]
+name = "tree-sitter-cmake"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43e478c42991a8893a82295731fca038083894eb38b4eba1f05b43231beb7658"
+dependencies = [
+ "cc",
+ "tree-sitter",
+]
+
 [[package]]
 name = "tree-sitter-cpp"
 version = "0.20.5"
diff --git a/harper-comments/Cargo.toml b/harper-comments/Cargo.toml
index 15539bfa..1075a860 100644
--- a/harper-comments/Cargo.toml
+++ b/harper-comments/Cargo.toml
@@ -19,6 +19,7 @@ tree-sitter-javascript = "0.20.1"
 tree-sitter-go = "0.20.0"
 tree-sitter-c = "0.20.7"
 tree-sitter-cpp = "0.20.5"
+tree-sitter-cmake = "=0.4.1"
 tree-sitter-ruby = "0.20.1"
 tree-sitter-swift = "=0.4.0"
 tree-sitter-c-sharp = "0.20.0"
diff --git a/harper-comments/src/comment_parser.rs b/harper-comments/src/comment_parser.rs
index aa1bf757..923b899b 100644
--- a/harper-comments/src/comment_parser.rs
+++ b/harper-comments/src/comment_parser.rs
@@ -29,6 +29,7 @@ impl CommentParser {
             "go" => tree_sitter_go::language(),
             "c" => tree_sitter_c::language(),
             "cpp" => tree_sitter_cpp::language(),
+            "cmake" => tree_sitter_cmake::language(),
             "ruby" => tree_sitter_ruby::language(),
             "swift" => tree_sitter_swift::language(),
             "csharp" => tree_sitter_c_sharp::language(),
@@ -77,6 +78,7 @@ impl CommentParser {
             "go" => "go",
             "c" => "c",
             "cpp" => "cpp",
+            "cmake" => "cmake",
             "h" => "cpp",
             "rb" => "ruby",
             "swift" => "swift",