diff --git a/docs/test-deps.py b/docs/test-deps.py
index 967f7676b..bc7c226bc 100755
--- a/docs/test-deps.py
+++ b/docs/test-deps.py
@@ -7,8 +7,8 @@ import markdown
 from distutils.version import LooseVersion
 
 # https://github.com/fwupd/fwupd/pull/3337#issuecomment-858947695
-if LooseVersion(markdown.version) < LooseVersion("3.3.4"):
-    print("python3-markdown version 3.3.4 required for gi-docgen")
+if LooseVersion(markdown.version) < LooseVersion("3.3.3"):
+    print("python3-markdown version 3.3.3 required for gi-docgen")
     sys.exit(1)
 
 # success