diff --git a/stack.yaml b/stack.yaml
index 009a583..b00a727 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -10,7 +10,7 @@ system-ghc: true
 
 extra-deps:
 - git: https://github.com/codedownio/notebook-language-server-core.git
-  commit: d8ca894fa723d805abaacb85f35503f72c3aec7f
+  commit: ba64f8ef5067a8a6f57c67b6f116a6349da68af7
 
 - git: https://github.com/codedownio/sandwich
   # long-running-nodes branch
diff --git a/stack.yaml.lock b/stack.yaml.lock
index f45d7bb..3c64ba9 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -5,15 +5,15 @@
 
 packages:
 - completed:
-    commit: d8ca894fa723d805abaacb85f35503f72c3aec7f
+    commit: ba64f8ef5067a8a6f57c67b6f116a6349da68af7
     git: https://github.com/codedownio/notebook-language-server-core.git
     name: notebook-language-server-core
     pantry-tree:
-      sha256: 1dbe24fb672a644b2664955e8a7d786688eea9c02c91af5a05b31490f7a7e29f
-      size: 1969
+      sha256: 1f0de5253b8400fd54842ba4bca858d71d6f949f7510d871ee8a42c6280f553b
+      size: 2089
     version: 0.1.0.0
   original:
-    commit: d8ca894fa723d805abaacb85f35503f72c3aec7f
+    commit: ba64f8ef5067a8a6f57c67b6f116a6349da68af7
     git: https://github.com/codedownio/notebook-language-server-core.git
 - completed:
     commit: c3e16ccda384917fba1ccc5f3cf8f592415562c1