diff --git a/public/vendor/stockfish.js b/public/vendor/stockfish.js
index ee0b47d837..86d7f71bb0 160000
--- a/public/vendor/stockfish.js
+++ b/public/vendor/stockfish.js
@@ -1 +1 @@
-Subproject commit ee0b47d8372eca4a338a82ec57b08137f08bd5ed
+Subproject commit 86d7f71bb0c3a3042cee08e658546fa67096b18a
diff --git a/public/vendor/stockfish.pexe b/public/vendor/stockfish.pexe
index d6c3136dce..b9efe7fa96 160000
--- a/public/vendor/stockfish.pexe
+++ b/public/vendor/stockfish.pexe
@@ -1 +1 @@
-Subproject commit d6c3136dce16405129cd5243081b9bd16ed769fe
+Subproject commit b9efe7fa963ddec0e725884a7886c0de255bc168
diff --git a/ui/ceval/src/ctrl.js b/ui/ceval/src/ctrl.js
index 8df309e0d1..ecec7f35ad 100644
--- a/ui/ceval/src/ctrl.js
+++ b/ui/ceval/src/ctrl.js
@@ -25,8 +25,8 @@ module.exports = function(opts) {
   var hoveringUci = m.prop(null);
 
   var pool = makePool(stockfishProtocol, {
-    asmjs: '/assets/vendor/stockfish.js/stockfish.js?v=8',
-    pnacl: pnaclSupported && '/assets/vendor/stockfish.pexe/nacl/stockfish.nmf?v=8',
+    asmjs: '/assets/vendor/stockfish.js/stockfish.js?v=9',
+    pnacl: pnaclSupported && '/assets/vendor/stockfish.pexe/nacl/stockfish.nmf?v=9',
     onCrash: opts.onCrash
   }, {
     minDepth: minDepth,