diff --git a/README.rst b/README.rst
index ea4f0b5..64ab7e7 100644
--- a/README.rst
+++ b/README.rst
@@ -3,7 +3,7 @@ fgivenx: Functional Posterior Plotter
 =====================================
 :fgivenx:  Functional Posterior Plotter 
 :Author: Will Handley
-:Version: 2.1.11
+:Version: 2.1.12
 :Homepage: https://github.com/williamjameshandley/fgivenx
 :Documentation: http://fgivenx.readthedocs.io/
 
@@ -290,5 +290,6 @@ PR will be accepted before you spend effort coding it.
 
 Changelog
 =========
+:v2.1.12: Bug fix in test suite for image comparison
 :v2.1.11: Documentation upgrades
 :v2.1.10: Added changelog
diff --git a/fgivenx/test/baseline_images/test_drivers/fgivenx.pdf b/fgivenx/test/baseline_images/test_drivers/fgivenx.pdf
index 8b2f57e..1885f07 100644
Binary files a/fgivenx/test/baseline_images/test_drivers/fgivenx.pdf and b/fgivenx/test/baseline_images/test_drivers/fgivenx.pdf differ
diff --git a/setup.py b/setup.py
index dce451a..0f35ae3 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ def get_version(short=False):
           'progress_bar': ['tqdm'],
           'getdist_chains': ['getdist']
           },
-      tests_require=['pytest'],
+      tests_require=['pytest', 'pytest-mpl'],
       license='MIT',
       classifiers=[
                    'Development Status :: 5 - Production/Stable',