diff --git a/app/logic/screenshots.py b/app/logic/screenshots.py
index cc900edd..9d7b315a 100644
--- a/app/logic/screenshots.py
+++ b/app/logic/screenshots.py
@@ -31,7 +31,7 @@ def do_create_screenshot(user: User, package: Package, title: str, file, is_cove
 	if count >= 20:
 		raise LogicError(429, lazy_gettext("Too many requests, please wait before trying again"))
 
-	uploaded_url, uploaded_path = upload_file(file, "image", lazy_gettext("a PNG or JPG image file"))
+	uploaded_url, uploaded_path = upload_file(file, "image", lazy_gettext("a PNG, JPEG, or WebP image file"))
 
 	counter = 1
 	for screenshot in package.screenshots.all():
diff --git a/app/logic/uploads.py b/app/logic/uploads.py
index d2448c48..11975638 100644
--- a/app/logic/uploads.py
+++ b/app/logic/uploads.py
@@ -28,7 +28,7 @@ def get_extension(filename):
 	return filename.rsplit(".", 1)[1].lower() if "." in filename else None
 
 
-ALLOWED_IMAGES = {"jpeg", "png"}
+ALLOWED_IMAGES = {"jpeg", "png", "webp"}
 
 
 def is_allowed_image(data):
@@ -43,7 +43,7 @@ def upload_file(file, file_type, file_type_desc):
 
 	is_image = False
 	if file_type == "image":
-		allowed_extensions = ["jpg", "jpeg", "png"]
+		allowed_extensions = ["jpg", "jpeg", "png", "webp"]
 		is_image = True
 	elif file_type == "zip":
 		allowed_extensions = ["zip"]
diff --git a/app/templates/packages/screenshot_new.html b/app/templates/packages/screenshot_new.html
index fca880ad..d4777e0c 100644
--- a/app/templates/packages/screenshot_new.html
+++ b/app/templates/packages/screenshot_new.html
@@ -16,7 +16,7 @@
 		{{ form.hidden_tag() }}
 
 		{{ render_field(form.title) }}
-		{{ render_field(form.file_upload, fieldclass="form-control-file", accept="image/png,image/jpeg") }}
+		{{ render_field(form.file_upload, fieldclass="form-control-file", accept="image/png,image/jpeg,image/webp") }}
 		{{ render_submit_field(form.submit) }}
 	</form>
 {% endblock %}
diff --git a/app/templates/packages/user_screenshot_new.html b/app/templates/packages/user_screenshot_new.html
index 18dedcc8..ab473fe6 100644
--- a/app/templates/packages/user_screenshot_new.html
+++ b/app/templates/packages/user_screenshot_new.html
@@ -12,7 +12,7 @@
 		{{ form.hidden_tag() }}
 
 		{{ render_field(form.title) }}
-		{{ render_field(form.file_upload, fieldclass="form-control-file", accept="image/png,image/jpeg") }}
+		{{ render_field(form.file_upload, fieldclass="form-control-file", accept="image/png,image/jpeg,image/webp") }}
 		{{ render_checkbox_field
 		{{ render_submit_field(form.submit) }}
 	</form>