diff --git a/poetry.lock b/poetry.lock
index 9ffdb07..ac86cd7 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -783,7 +783,7 @@ six = "*"
 
 [[package]]
 name = "yapf"
-version = "0.30.0"
+version = "0.31.0"
 description = "A formatter for Python code."
 category = "dev"
 optional = false
@@ -804,7 +804,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6.0"
-content-hash = "7ebba650c7f77d8caebf6504e2edc9bdfc3b9f966ce5e90ca09e7db9d5543f18"
+content-hash = "5a0e0b77221338760388db3efd4175812a4b300c410482d7950b4c415454e9df"
 
 [metadata.files]
 anyconfig = [
@@ -1218,8 +1218,8 @@ websocket-client = [
     {file = "websocket_client-0.58.0.tar.gz", hash = "sha256:63509b41d158ae5b7f67eb4ad20fecbb4eee99434e73e140354dc3ff8e09716f"},
 ]
 yapf = [
-    {file = "yapf-0.30.0-py2.py3-none-any.whl", hash = "sha256:3abf61ba67cf603069710d30acbc88cfe565d907e16ad81429ae90ce9651e0c9"},
-    {file = "yapf-0.30.0.tar.gz", hash = "sha256:3000abee4c28daebad55da6c85f3cd07b8062ce48e2e9943c8da1b9667d48427"},
+    {file = "yapf-0.31.0-py2.py3-none-any.whl", hash = "sha256:e3a234ba8455fe201eaa649cdac872d590089a18b661e39bbac7020978dd9c2e"},
+    {file = "yapf-0.31.0.tar.gz", hash = "sha256:408fb9a2b254c302f49db83c59f9aa0b4b0fd0ec25be3a5c51181327922ff63d"},
 ]
 zipp = [
     {file = "zipp-3.4.0-py3-none-any.whl", hash = "sha256:102c24ef8f171fd729d46599845e95c7ab894a4cf45f5de11a44cc7444fb1108"},
diff --git a/pyproject.toml b/pyproject.toml
index 536bf2f..9adf74f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,7 +74,7 @@ pydocstyle = "^5.1.1"
 pytest = "^6.1.2"
 pytest-cov = "^2.10.1"
 pytest-mock = "^3.3.1"
-yapf = "^0.30.0"
+yapf = "^0.31.0"
 
 [tool.poetry.scripts]
 docker-tidy = "dockertidy.cli:main"