diff --git a/homeassistant/components/generic/config_flow.py b/homeassistant/components/generic/config_flow.py
index 70703bbc6ae..c6310d22dce 100644
--- a/homeassistant/components/generic/config_flow.py
+++ b/homeassistant/components/generic/config_flow.py
@@ -58,7 +58,7 @@ DEFAULT_DATA = {
     CONF_VERIFY_SSL: True,
 }
 
-SUPPORTED_IMAGE_TYPES = {"png", "jpeg", "gif", "svg+xml"}
+SUPPORTED_IMAGE_TYPES = {"png", "jpeg", "gif", "svg+xml", "webp"}
 
 
 def build_schema(
diff --git a/tests/components/generic/sample5_webp.webp b/tests/components/generic/sample5_webp.webp
new file mode 100644
index 00000000000..0cf62db1844
Binary files /dev/null and b/tests/components/generic/sample5_webp.webp differ
diff --git a/tests/components/generic/test_config_flow.py b/tests/components/generic/test_config_flow.py
index 5b779166ee8..aab04dae203 100644
--- a/tests/components/generic/test_config_flow.py
+++ b/tests/components/generic/test_config_flow.py
@@ -147,6 +147,7 @@ async def test_form_only_svg_whitespace(hass, fakeimgbytes_svg, user_flow):
         ("sample2_jpeg_odd_header.jpg"),
         ("sample3_jpeg_odd_header.jpg"),
         ("sample4_K5-60mileAnim-320x240.gif"),
+        ("sample5_webp.webp"),
     ],
 )
 async def test_form_only_still_sample(hass, user_flow, image_file):