diff --git a/Cargo.lock b/Cargo.lock
index 16d26595..3a85c346 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -578,6 +578,7 @@ dependencies = [
  "tree-sitter-c-sharp",
  "tree-sitter-cpp",
  "tree-sitter-go",
+ "tree-sitter-haskell",
  "tree-sitter-java",
  "tree-sitter-javascript",
  "tree-sitter-lua",
@@ -1749,6 +1750,16 @@ dependencies = [
  "tree-sitter",
 ]
 
+[[package]]
+name = "tree-sitter-haskell"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac635b86d6cc127706bc0831f4b83f5503ed8ac2f8cd22831ba3e5535445b4f2"
+dependencies = [
+ "cc",
+ "tree-sitter",
+]
+
 [[package]]
 name = "tree-sitter-html"
 version = "0.19.0"
diff --git a/harper-comments/Cargo.toml b/harper-comments/Cargo.toml
index d77cecbc..4ead9c54 100644
--- a/harper-comments/Cargo.toml
+++ b/harper-comments/Cargo.toml
@@ -28,6 +28,7 @@ tree-sitter-bash = "0.20.0"
 tree-sitter-java = "0.20.0"
 tree-sitter-nix = "0.0.1"
 itertools = "0.13.0"
+tree-sitter-haskell = "0.15.0"
 
 [dev-dependencies]
 paste = "1.0.15"
diff --git a/harper-comments/src/comment_parser.rs b/harper-comments/src/comment_parser.rs
index 54536862..ac01f927 100644
--- a/harper-comments/src/comment_parser.rs
+++ b/harper-comments/src/comment_parser.rs
@@ -36,6 +36,7 @@ impl CommentParser {
             "lua" => tree_sitter_lua::language(),
             "shellscript" => tree_sitter_bash::language(),
             "java" => tree_sitter_java::language(),
+            "haskell" => tree_sitter_haskell::language(),
             _ => return None,
         };
 
@@ -85,6 +86,8 @@ impl CommentParser {
             "sh" => "shellscript",
             "bash" => "shellscript",
             "java" => "java",
+            "hs" => "haskell",
+            "lhs" => "haskell",
             _ => return None,
         })
     }