diff --git a/README.md b/README.md
index 76c5c6829..c03843c62 100644
--- a/README.md
+++ b/README.md
@@ -189,6 +189,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [gomod](https://github.com/camdencheek/tree-sitter-go-mod) (maintained by @camdencheek)
 - [x] [gowork](https://github.com/omertuc/tree-sitter-go-work) (maintained by @omertuc)
 - [x] [graphql](https://github.com/bkegley/tree-sitter-graphql) (maintained by @bkegley)
+- [ ] [hack](https://github.com/slackhq/tree-sitter-hack)
 - [ ] [haskell](https://github.com/tree-sitter/tree-sitter-haskell)
 - [x] [hcl](https://github.com/MichaHoffmann/tree-sitter-hcl) (maintained by @MichaHoffmann)
 - [x] [heex](https://github.com/connorlay/tree-sitter-heex) (maintained by @connorlay)