diff --git a/poetry.lock b/poetry.lock
index 75bdf26..6336d05 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -755,14 +755,14 @@ test = ["cython", "html5lib", "pytest", "pytest-cov", "typed-ast"]
 
 [[package]]
 name = "sphinx-rtd-theme"
-version = "1.2.0"
+version = "1.2.1"
 description = "Read the Docs theme for Sphinx"
 category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,>=2.7"
 files = [
-    {file = "sphinx_rtd_theme-1.2.0-py2.py3-none-any.whl", hash = "sha256:f823f7e71890abe0ac6aaa6013361ea2696fc8d3e1fa798f463e82bdb77eeff2"},
-    {file = "sphinx_rtd_theme-1.2.0.tar.gz", hash = "sha256:a0d8bd1a2ed52e0b338cbe19c4b2eef3c5e7a048769753dac6a9f059c7b641b8"},
+    {file = "sphinx_rtd_theme-1.2.1-py2.py3-none-any.whl", hash = "sha256:2cc9351176cbf91944ce44cefd4fab6c3b76ac53aa9e15d6db45a3229ad7f866"},
+    {file = "sphinx_rtd_theme-1.2.1.tar.gz", hash = "sha256:cf9a7dc0352cf179c538891cb28d6fad6391117d4e21c891776ab41dd6c8ff70"},
 ]
 
 [package.dependencies]