diff --git a/poetry.lock b/poetry.lock
index 416cac54..bd6054f0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -258,7 +258,7 @@ i18n = ["Babel (>=2.7)"]
 
 [[package]]
 name = "libcst"
-version = "0.3.20"
+version = "0.3.21"
 description = "A concrete syntax tree with AST-like properties for Python 3.5, 3.6, 3.7 and 3.8 programs."
 category = "main"
 optional = false
@@ -271,7 +271,7 @@ typing-extensions = ">=3.7.4.2"
 typing-inspect = ">=0.4.0"
 
 [package.extras]
-dev = ["black (==20.8b1)", "codecov (>=2.1.4)", "coverage (>=4.5.4)", "fixit (==0.1.1)", "flake8 (>=3.7.8)", "hypothesis (>=4.36.0)", "hypothesmith (>=0.0.4)", "isort (==5.5.3)", "jupyter (>=1.0.0)", "nbsphinx (>=0.4.2)", "pyre-check (==0.0.41)", "sphinx-rtd-theme (>=0.4.3)", "prompt-toolkit (>=2.0.9)", "tox (>=3.18.1)"]
+dev = ["black (==20.8b1)", "coverage (>=4.5.4)", "fixit (==0.1.1)", "flake8 (>=3.7.8)", "hypothesis (>=4.36.0)", "hypothesmith (>=0.0.4)", "jupyter (>=1.0.0)", "nbsphinx (>=0.4.2)", "prompt-toolkit (>=2.0.9)", "pyre-check (==0.9.3)", "setuptools-scm (>=6.0.1)", "sphinx-rtd-theme (>=0.4.3)", "tox (>=3.18.1)", "ufmt (==1.2)", "usort (==0.6.3)"]
 
 [[package]]
 name = "markdown-it-py"
@@ -829,7 +829,7 @@ docs = ["myst-parser", "Sphinx", "sphinx-rtd-theme"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "d5845f797b740d0439eaad1a68ffc74f7adf5c156ac323a7fd1ff042fd794b2a"
+content-hash = "9682c2b3b1dc6d78616981b56347dd4da82603fec5261a5f05adb93c9ab22f25"
 
 [metadata.files]
 alabaster = [
@@ -978,8 +978,8 @@ jinja2 = [
     {file = "Jinja2-3.0.1.tar.gz", hash = "sha256:703f484b47a6af502e743c9122595cc812b0271f661722403114f71a79d0f5a4"},
 ]
 libcst = [
-    {file = "libcst-0.3.20-py3-none-any.whl", hash = "sha256:d213e833fdbad43c4fcaf9c952a695b36d601dce1c527ec724e75aa36e60834f"},
-    {file = "libcst-0.3.20.tar.gz", hash = "sha256:9d50d4eab28b570e254cc63287ce3009b945be4114c7a29662b67204cfc18060"},
+    {file = "libcst-0.3.21-py3-none-any.whl", hash = "sha256:a9c6fea4fa3bf92f87e40c6850dec099aaa7aaf963a934c763844544b32d3a1e"},
+    {file = "libcst-0.3.21.tar.gz", hash = "sha256:4302a8f09cd9e5ab5962f8e126d032bba98541893dd38cce6b4770969fed059d"},
 ]
 markdown-it-py = [
     {file = "markdown-it-py-1.1.0.tar.gz", hash = "sha256:36be6bb3ad987bfdb839f5ba78ddf094552ca38ccbd784ae4f74a4e1419fc6e3"},
diff --git a/pyproject.toml b/pyproject.toml
index 692cca32..a77a5277 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ djcodemod = "django_codemod.cli:djcodemod"
 [tool.poetry.dependencies]
 python = "^3.6"
 click = "<9"
-libcst = "==0.3.20"
+libcst = "==0.3.21"
 pathspec = ">=0.6,<1"
 rich = "<11"