diff --git a/book/src/generated/lang-support.md b/book/src/generated/lang-support.md
index ed4014e308f1..1fad1017e3ea 100644
--- a/book/src/generated/lang-support.md
+++ b/book/src/generated/lang-support.md
@@ -73,6 +73,7 @@
 | idris |  |  |  | `idris2-lsp` |
 | iex | ✓ |  |  |  |
 | ini | ✓ |  |  |  |
+| janet | ✓ |  |  |  |
 | java | ✓ | ✓ | ✓ | `jdtls` |
 | javascript | ✓ | ✓ | ✓ | `typescript-language-server` |
 | jinja | ✓ |  |  |  |
diff --git a/languages.toml b/languages.toml
index 7f1c6b769fad..8beaf75142df 100644
--- a/languages.toml
+++ b/languages.toml
@@ -2952,3 +2952,13 @@ file-types = ["log"]
 [[grammar]]
 name = "log"
 source = { git = "https://github.com/Tudyx/tree-sitter-log", rev = "62cfe307e942af3417171243b599cc7deac5eab9" }
+
+[[language]]
+name = "janet"
+scope = "source.janet"
+injection-regex = "janet"
+file-types = ["janet"]
+comment-token = "#"
+indent = { tab-width = 2, unit = "  " }
+roots = []
+grammar = "clojure"
diff --git a/runtime/queries/janet/highlights.scm b/runtime/queries/janet/highlights.scm
new file mode 100644
index 000000000000..a036368a1208
--- /dev/null
+++ b/runtime/queries/janet/highlights.scm
@@ -0,0 +1 @@
+; inherits: clojure