diff --git a/specs/lichess-api.yaml b/specs/lichess-api.yaml
index b7db264..def0109 100644
--- a/specs/lichess-api.yaml
+++ b/specs/lichess-api.yaml
@@ -1,6 +1,6 @@
 openapi: "3.1.0"
 info:
-  version: 2.0.133
+  version: 2.0.134
   title: Lichess.org API reference
   contact:
     name: "Lichess.org API"
diff --git a/specs/schemas/PuzzleAndGame.yaml b/specs/schemas/PuzzleAndGame.yaml
index d1bd50e..9b3b414 100644
--- a/specs/schemas/PuzzleAndGame.yaml
+++ b/specs/schemas/PuzzleAndGame.yaml
@@ -69,6 +69,8 @@ properties:
         type: integer
       rating:
         type: integer
+      fen:
+        type: string
       solution:
         type: array
         items:
diff --git a/src/schemas/PuzzleAndGame.ts b/src/schemas/PuzzleAndGame.ts
index bac40f2..b50f4e7 100644
--- a/src/schemas/PuzzleAndGame.ts
+++ b/src/schemas/PuzzleAndGame.ts
@@ -45,6 +45,7 @@ const PuzzleAndGame = z.object({
     initialPly: z.int(),
     plays: z.int(),
     rating: z.int(),
+    fen: z.optional(z.string()),
     solution: z.array(z.string()),
     themes: z.array(z.string()),
   }),