diff --git a/marimo/_cli/convert/markdown.py b/marimo/_cli/convert/markdown.py
index c36fa727de0..584e34cebe6 100644
--- a/marimo/_cli/convert/markdown.py
+++ b/marimo/_cli/convert/markdown.py
@@ -8,8 +8,6 @@
 # Native to python
 from xml.etree.ElementTree import Element, SubElement
 
-import yaml
-
 # Markdown is a dependency of marimo, as such we utilize it as much as possible
 # to parse markdown.
 from markdown import Markdown
@@ -30,6 +28,7 @@
 from marimo._ast.compiler import compile_cell
 from marimo._cli.convert.utils import markdown_to_marimo
 
+import yaml
 # CSafeLoader is faster than SafeLoader.
 try:
     from yaml import CSafeLoader as SafeLoader
diff --git a/pyproject.toml b/pyproject.toml
index 0a7cb5c8979..11757e52f2f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,8 @@ dependencies = [
     "pygments>=2.13,<3",
     # for reading, writing configs
     "tomlkit>= 0.12.0",
+    # for managing frontmatter headers in markdown
+    "pyyaml>=6.0",
     # web server
     # - 0.22.0 introduced timeout-graceful-shutdown, which we use
     "uvicorn >= 0.22.0",