diff --git a/book/src/generated/lang-support.md b/book/src/generated/lang-support.md
index cb1c815f2..e123f47ca 100644
--- a/book/src/generated/lang-support.md
+++ b/book/src/generated/lang-support.md
@@ -15,6 +15,7 @@
 | blueprint | ✓ |  |  | `blueprint-compiler` |
 | c | ✓ | ✓ | ✓ | `clangd` |
 | c-sharp | ✓ | ✓ |  | `OmniSharp` |
+| c3 | ✓ | ✓ | ✓ | `c3-lsp` |
 | cabal |  |  |  | `haskell-language-server-wrapper` |
 | cairo | ✓ | ✓ | ✓ | `cairo-language-server` |
 | capnp | ✓ |  | ✓ |  |