diff --git a/doc/Makefile b/doc/Makefile
index a30e7043..49cda2b5 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -2,7 +2,7 @@
 #
 
 # You can set these variables from the command line.
-SPHINXOPTS    =
+SPHINXOPTS    = --keep-going -W
 SPHINXBUILD   = python -m sphinx
 PAPER         =
 BUILDDIR      = build
@@ -10,7 +10,7 @@ BUILDDIR      = build
 # Internal variables.
 PAPEROPT_a4     = -D latex_paper_size=a4
 PAPEROPT_letter = -D latex_paper_size=letter
-ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) source -W
+ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) source
 # the i18n builder cannot share the environment and doctrees with the others
 I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) source
 
diff --git a/doc/source/changes.rst b/doc/source/changes.rst
index 4bfef54a..e27184ec 100644
--- a/doc/source/changes.rst
+++ b/doc/source/changes.rst
@@ -1,6 +1,14 @@
 Changelog
 =========
 
+0.4.3
+-----
+
+- Improved the error thrown when trying to use
+  :class`pfsspy.tracing.FotranTracer` without the ``streamtracer`` module
+  installed.
+- Fixed some layout issues in the documentation.
+
 0.4.2
 -----
 
diff --git a/doc/source/conf.py b/doc/source/conf.py
index af9a5b64..1270005f 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -46,13 +46,12 @@
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.intersphinx',
+    'sphinx.ext.napoleon',
     'sphinx.ext.mathjax',
     'sphinx_automodapi.automodapi',
-    'numpydoc',
     'sphinx_gallery.gen_gallery',
 ]
-numpydoc_show_class_members = False
-
+napoleon_google_docstring = False
 
 sphinx_gallery_conf = {
     'examples_dirs': '../../examples',
diff --git a/requirements/docs.txt b/requirements/docs.txt
index f04e18e4..1c43ba7a 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -3,8 +3,6 @@
 graphviz
 pillow
 sphinx-automodapi>=0.10
-numpydoc
-sunpy_sphinx_theme
 sphinx_rtd_theme
 sphinx-gallery
 sphinx>2