diff --git a/pyproject.toml b/pyproject.toml
index b996136..e7c56b4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ dependencies = [
     "mcp[cli]>=2.0.0",
     "psycopg[binary]>=3.3.2",
     "psycopg-pool>=3.3.0",
-    "pglast==8.5",
+    "pglast==8.7",
     "typing-extensions>=4.12",
     # httpx ships transitively via mcp; declare it explicitly so the
     # NL→SQL providers in mcpg.nl2sql have a guaranteed surface.