diff --git a/node_modules/@nteract/commutable/src/structures.ts b/node_modules/@nteract/commutable/src/structures.ts
index c0ff6cb..b0117b7 100644
--- a/node_modules/@nteract/commutable/src/structures.ts
+++ b/node_modules/@nteract/commutable/src/structures.ts
@@ -193,6 +193,7 @@ export function markCellDeleting(
       ["cellMap", cellId],
       nb
         .getIn(["cellMap", cellId])
+        // @ts-ignore - immutable v4 getIn returns unknown
         .setIn(["metadata", "nteract", "transient", "deleting"], true)
     )
   );
@@ -215,6 +216,7 @@ export function markCellNotDeleting(
       ["cellMap", cellId],
       nb
         .getIn(["cellMap", cellId])
+        // @ts-ignore - immutable v4 getIn returns unknown
         .setIn(["metadata", "nteract", "transient", "deleting"], false)
     )
   );
diff --git a/node_modules/@nteract/commutable/src/v3.ts b/node_modules/@nteract/commutable/src/v3.ts
index 1ffa956..4e9078d 100644
--- a/node_modules/@nteract/commutable/src/v3.ts
+++ b/node_modules/@nteract/commutable/src/v3.ts
@@ -114,7 +114,7 @@ function createImmutableMarkdownCell(
   return makeMarkdownCell({
     cell_type: cell.cell_type,
     source: demultiline(cell.source),
-    metadata: immutableFromJS(cell.metadata)
+    metadata: immutableFromJS(cell.metadata) as any
   });
 }
 
@@ -172,7 +172,7 @@ function createImmutableCodeCell(cell: CodeCell): ImmutableCodeCell {
     source: demultiline(cell.input),
     outputs: ImmutableList(cell.outputs.map(createImmutableOutput)),
     execution_count: cell.prompt_number,
-    metadata: immutableFromJS(cell.metadata)
+    metadata: immutableFromJS(cell.metadata) as any
   });
 }
 
@@ -180,7 +180,7 @@ function createImmutableRawCell(cell: RawCell): ImmutableRawCell {
   return makeRawCell({
     cell_type: cell.cell_type,
     source: demultiline(cell.source),
-    metadata: immutableFromJS(cell.metadata)
+    metadata: immutableFromJS(cell.metadata) as any
   });
 }
 
@@ -198,7 +198,7 @@ function createImmutableHeadingCell(cell: HeadingCell): ImmutableMarkdownCell {
           )
         )
       : cell.source,
-    metadata: immutableFromJS(cell.metadata)
+    metadata: immutableFromJS(cell.metadata) as any
   });
 }
 
diff --git a/node_modules/@nteract/commutable/src/v4.ts b/node_modules/@nteract/commutable/src/v4.ts
index a6dd478..dd9a741 100644
--- a/node_modules/@nteract/commutable/src/v4.ts
+++ b/node_modules/@nteract/commutable/src/v4.ts
@@ -227,7 +227,7 @@ export function fromJS(
     cellMap: cellStructure.cellMap.asImmutable(),
     nbformat_minor: notebook.nbformat_minor,
     nbformat: 4,
-    metadata: immutableFromJS(notebook.metadata)
+    metadata: immutableFromJS(notebook.metadata) as any
   });
 }