diff --git a/mkdocs_drawio/plugin.py b/mkdocs_drawio/plugin.py
index 5ce0699..7bae1b7 100644
--- a/mkdocs_drawio/plugin.py
+++ b/mkdocs_drawio/plugin.py
@@ -55,7 +55,7 @@ def render_drawio_diagrams(self, output_content, page):
         }
 
         # search for images using drawio extension
-        diagrams = soup.findAll("img", src=re.compile(r".*\.drawio$", re.IGNORECASE))
+        diagrams = soup.find_all("img", src=re.compile(r".*\.drawio$", re.IGNORECASE))
         if len(diagrams) == 0:
             return output_content
 
diff --git a/pyproject.toml b/pyproject.toml
index cd7d9f0..a0683da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mkdocs-drawio"
-version = "1.8.0"
+version = "1.8.1"
 description = "MkDocs plugin for embedding Drawio files"
 authors = [
     "Jan Larwig <jan@larwig.com>",