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diff --git a/crn/packages/tree-sitter.scm b/crn/packages/tree-sitter.scm
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+(define-module (crn packages tree-sitter)
+  #:use-module ((guix licenses) #:prefix license:)  #:use-module (guix packages)
+  #:use-module (guix gexp)
+  #:use-module (guix utils)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages icu4c))
+
+(define-public tree-sitter
+  (package
+    (name "tree-sitter")
+    (version "0.24.3")                 ;untagged
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/tree-sitter/tree-sitter")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1pn1k2ch14y48718l7s21rz5alqgdw1bis25r9x4rm6zac7kiy6q"))
+              (modules '((guix build utils)))
+              (snippet #~(begin
+                           ;; Remove bundled ICU parts
+                           (delete-file-recursively "lib/src/unicode")))))
+    (build-system gnu-build-system)
+    (inputs (list icu4c))
+    (arguments
+     (list #:phases
+           #~(modify-phases %standard-phases
+               (delete 'configure))
+           #:tests? #f ; there are no tests for the runtime library
+           #:make-flags
+           #~(list (string-append "PREFIX=" #$output)
+                   (string-append "CC=" #$(cc-for-target)))))
+    (home-page "https://tree-sitter.github.io/tree-sitter/")
+    (synopsis "Incremental parsing system for programming tools")
+    (description
+     "Tree-sitter is a parser generator tool and an incremental parsing
+library.  It can build a concrete syntax tree for a source file and
+efficiently update the syntax tree as the source file is edited.
+
+Tree-sitter aims to be:
+
+@itemize
+@item General enough to parse any programming language
+@item Fast enough to parse on every keystroke in a text editor
+@item Robust enough to provide useful results even in the presence of syntax errors
+@item Dependency-free so that the runtime library (which is written in pure C)
+can be embedded in any application
+@end itemize
+
+This package includes the @code{libtree-sitter} runtime library.")
+    (license license:expat)))