diff --git a/src/stores/JsonViewerStore.ts b/src/stores/JsonViewerStore.ts
index 92f3a85f..7f37393a 100644
--- a/src/stores/JsonViewerStore.ts
+++ b/src/stores/JsonViewerStore.ts
@@ -105,7 +105,8 @@ export const createJsonViewerStore = <T = unknown> (props: JsonViewerProps<T>) =
   }))
 }
 
-export const JsonViewerStoreContext = createContext<StoreApi<JsonViewerState>>(undefined)
+// why as any? See https://github.com/DefinitelyTyped/DefinitelyTyped/pull/24509#issuecomment-382213106
+export const JsonViewerStoreContext = createContext<StoreApi<JsonViewerState>>(undefined as any)
 
 export const JsonViewerProvider = JsonViewerStoreContext.Provider
 
diff --git a/src/stores/typeRegistry.tsx b/src/stores/typeRegistry.tsx
index 9fcdd2ef..95b42c90 100644
--- a/src/stores/typeRegistry.tsx
+++ b/src/stores/typeRegistry.tsx
@@ -39,7 +39,8 @@ export const createTypeRegistryStore = () => {
   }))
 }
 
-export const TypeRegistryStoreContext = createContext<StoreApi<TypeRegistryState>>(undefined)
+// why as any? See https://github.com/DefinitelyTyped/DefinitelyTyped/pull/24509#issuecomment-382213106
+export const TypeRegistryStoreContext = createContext<StoreApi<TypeRegistryState>>(undefined as any)
 
 export const TypeRegistryProvider = TypeRegistryStoreContext.Provider
 
diff --git a/tsconfig.json b/tsconfig.json
index 07513b43..88992720 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,6 +9,7 @@
     "moduleResolution": "node",
     "isolatedModules": true,
     "esModuleInterop": true,
+    "skipLibCheck": true,
     "declaration": true,
     "sourceMap": true,
     "strict": true