diff --git a/CHANGELOG.md b/CHANGELOG.md
index cbb92265d..8d59b726c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ We follow Semantic Versions since the `0.1.0` release.
 We used to have incremental versioning before `0.1.0`.
 
 
+## 0.9.1
+
+### Bugfixes
+
+- Fixes issue with `pydocstyle>=4` by glueing its version to `pydocstyle<4`
+
+
 ## 0.9.0
 
 This is mostly a supporting release with several new features
diff --git a/pyproject.toml b/pyproject.toml
index 906fc0a9e..aea4c0431 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.poetry]
 name = "wemake-python-styleguide"
-version = "0.9.0"
+version = "0.9.1"
 description = "The strictest and most opinionated python linter ever"
 
 license = "MIT"
@@ -53,6 +53,8 @@ flake8-commas = "^2.0"
 flake8-quotes = ">=1,<3"
 flake8-comprehensions = ">=1.4,<3.0"
 flake8-docstrings = "^1.3"
+# Temporary fix for #636
+pydocstyle = "<4"
 flake8-string-format = "^0.2"
 flake8-coding = "^1.3"
 flake8-bugbear = "^19.3"