diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ca3c672..30505e72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,10 @@
 
 ## 0.5.12
 
+- **Fix**: Update type of `viewModel` in `ConfigurableController` to `ImplicitlyUwrappedOptional<ViewModelT>` instead of `ViewModelT`
+
+## 0.5.13
+
 - **Change**: Remove type erasure behavior from `AnyBaseTableRow`
 - **Change**: Rename `AnyBaseTableRow` class to `SeparatorRowBox`
 - **Change**: Move `anyRow` property from `EmptyCellRow` to `TableRow` extension and rename it to `separatorRowBox`.
diff --git a/Sources/Protocols/ConfigurableController.swift b/Sources/Protocols/ConfigurableController.swift
index 9190f9db..fd14a19b 100644
--- a/Sources/Protocols/ConfigurableController.swift
+++ b/Sources/Protocols/ConfigurableController.swift
@@ -26,7 +26,7 @@ public protocol ConfigurableController {
 
     associatedtype ViewModelT
 
-    var viewModel: ViewModelT { get }
+    var viewModel: ViewModelT! { get }
 
     func bindViews()