diff --git a/Makefile b/Makefile
index 40c0c5e9..70c0d1b5 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ prepare-preview: clean
 	mkdir -p $(PREVIEW_DEST)
 	git clone https://github.com/scientific-python/scientific-python.org $(PREVIEW_DEST)
 	git -C $(PREVIEW_DEST) submodule set-url themes/scientific-python-hugo-theme https://github.com/scientific-python/scientific-python-hugo-theme.git
-	git -C $(PREVIEW_DEST) submodule update --init
+	git -C $(PREVIEW_DEST) submodule update --init --recursive
 	rm -rf $(PREVIEW_DEST)/content/specs/*
 	cp -r * $(PREVIEW_DEST)/content/specs
 
diff --git a/netlify.toml b/netlify.toml
index 00848b22..f51ba8f8 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -1,6 +1,6 @@
 [build.environment]
   PYTHON_VERSION = "3.13"
-  HUGO_VERSION = "0.152.2"
+  HUGO_VERSION = "0.158.0"
   DART_SASS_VERSION = "1.93.2"
   DART_SASS_URL = "https://github.com/sass/dart-sass/releases/download/"