diff --git a/.strict-typing b/.strict-typing
index 77f85ae03e7d..c7a1b604fac7 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -147,6 +147,7 @@ homeassistant.components.clicksend.*
 homeassistant.components.climate.*
 homeassistant.components.cloud.*
 homeassistant.components.co2signal.*
+homeassistant.components.collection_image.*
 homeassistant.components.comelit.*
 homeassistant.components.command_line.*
 homeassistant.components.compit.*
diff --git a/homeassistant/components/collection_image/image.py b/homeassistant/components/collection_image/image.py
index 747a4b06d522..daac907bb114 100644
--- a/homeassistant/components/collection_image/image.py
+++ b/homeassistant/components/collection_image/image.py
@@ -109,7 +109,7 @@ class CollectionImageImageEntity(ImageEntity):
         self._attr_available = True
         await self.update_image(child.media_content_id)
 
-    async def update_image(self, image_id: str):
+    async def update_image(self, image_id: str) -> None:
         """Update the entity from the image_id."""
         self._cached_image = None
         try:
diff --git a/homeassistant/components/collection_image/quality_scale.yaml b/homeassistant/components/collection_image/quality_scale.yaml
index 3911ceea5647..8d1ca9c64efc 100644
--- a/homeassistant/components/collection_image/quality_scale.yaml
+++ b/homeassistant/components/collection_image/quality_scale.yaml
@@ -109,4 +109,4 @@ rules:
   inject-websession:
     status: exempt
     comment: No external connections.
-  strict-typing: todo
+  strict-typing: done
diff --git a/mypy.ini b/mypy.ini
index 45920e6fcb78..55d9509291bc 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1227,6 +1227,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.collection_image.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.comelit.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true