diff --git a/doc/requirements.txt b/doc/requirements.txt
index 99d888c3..f135906a 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,5 +1,5 @@
 setuptools_scm
-sphinx>=1.8
+git+https://github.com/wallento/sphinx@fix-latex-figure-in-admonition#egg=sphinx
 sphinx_rtd_theme
 sphinxcontrib-wavedrom
 wavedrom>=1.9.0rc1