diff --git a/poetry.lock b/poetry.lock
index 0cfa455..67a8be6 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -17,6 +17,14 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "csscompressor"
+version = "0.9.5"
+description = "A python port of YUI CSS Compressor"
+category = "main"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "ghp-import"
 version = "2.0.2"
@@ -94,7 +102,7 @@ i18n = ["Babel (>=0.8)"]
 
 [[package]]
 name = "jsmin"
-version = "2.2.2"
+version = "3.0.0"
 description = "JavaScript minifier."
 category = "main"
 optional = false
@@ -194,15 +202,16 @@ mkdocs-material = ">=5.0.0"
 
 [[package]]
 name = "mkdocs-minify-plugin"
-version = "0.3.0"
-description = "An MkDocs plugin to minify HTML and/or JS files prior to being written to disk"
+version = "0.5.0"
+description = "An MkDocs plugin to minify HTML, JS or CSS files prior to being written to disk"
 category = "main"
 optional = false
-python-versions = ">=2.7"
+python-versions = ">=3.0"
 
 [package.dependencies]
+csscompressor = ">=0.9.5"
 htmlmin = ">=0.1.4"
-jsmin = ">=2.2.2"
+jsmin = ">=3.0.0"
 mkdocs = ">=1.0.4"
 
 [[package]]
@@ -334,7 +343,7 @@ testing = ["jaraco.itertools", "func-timeout"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "3c105c2ad11452299bd9c9eda55201ae94b8687997c69b9dc8bdee3373f7504c"
+content-hash = "d8a11d33f921fb4dc17d986a390be0bae9d831fadb8be3d1e604dc8338e60306"
 
 [metadata.files]
 babel = [
@@ -345,6 +354,9 @@ click = [
     {file = "click-7.1.2-py2.py3-none-any.whl", hash = "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"},
     {file = "click-7.1.2.tar.gz", hash = "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a"},
 ]
+csscompressor = [
+    {file = "csscompressor-0.9.5.tar.gz", hash = "sha256:afa22badbcf3120a4f392e4d22f9fff485c044a1feda4a950ecc5eba9dd31a05"},
+]
 ghp-import = [
     {file = "ghp-import-2.0.2.tar.gz", hash = "sha256:947b3771f11be850c852c64b561c600fdddf794bab363060854c1ee7ad05e071"},
     {file = "ghp_import-2.0.2-py3-none-any.whl", hash = "sha256:5f8962b30b20652cdffa9c5a9812f7de6bcb56ec475acac579807719bf242c46"},
@@ -369,7 +381,7 @@ jinja2 = [
     {file = "Jinja2-2.11.2.tar.gz", hash = "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0"},
 ]
 jsmin = [
-    {file = "jsmin-2.2.2.tar.gz", hash = "sha256:b6df99b2cd1c75d9d342e4335b535789b8da9107ec748212706ef7bbe5c2553b"},
+    {file = "jsmin-3.0.0.tar.gz", hash = "sha256:88fc1bd6033a47c5911dbcada7d279c7a8b7ad0841909590f6a742c20c4d2e08"},
 ]
 markdown = [
     {file = "Markdown-3.2.2-py3-none-any.whl", hash = "sha256:c467cd6233885534bf0fe96e62e3cf46cfc1605112356c4f9981512b8174de59"},
@@ -450,8 +462,8 @@ mkdocs-material-extensions = [
     {file = "mkdocs_material_extensions-1.0-py3-none-any.whl", hash = "sha256:09569c3694b5acc1e8334c9730e52b4bcde65fc9d613cc20e49af131ef1a9ca0"},
 ]
 mkdocs-minify-plugin = [
-    {file = "mkdocs-minify-plugin-0.3.0.tar.gz", hash = "sha256:06fecd8ddb9cb90f30bcee2d94c3d4b46a090f403d7ff0edff089a435906c4ee"},
-    {file = "mkdocs_minify_plugin-0.3.0-py2-none-any.whl", hash = "sha256:9bac96276b1681debb3eb2cf5bae972586b4c1138e8d78ea63a984ea6276563d"},
+    {file = "mkdocs-minify-plugin-0.5.0.tar.gz", hash = "sha256:32d9e8fbd89327a0f4f648f517297aad344c1bad64cfde110d059bd2f2780a6d"},
+    {file = "mkdocs_minify_plugin-0.5.0-py2-none-any.whl", hash = "sha256:487c31ae6b8b3230f56910ce6bcf5c7e6ad9a8c4f51c720a4b989f30c2b0233f"},
 ]
 packaging = [
     {file = "packaging-21.3-py3-none-any.whl", hash = "sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522"},
diff --git a/pyproject.toml b/pyproject.toml
index 8250d09..e49d0d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ authors = ["Jonah Snider <jonah@jonah.pw>"]
 [tool.poetry.dependencies]
 python = "^3.6"
 mkdocs-material = "^5.2.0"
-mkdocs-minify-plugin = "^0.3.0"
+mkdocs-minify-plugin = "^0.5.0"
 mkdocs-git-revision-date-localized-plugin = "^0.10.0"
 
 [tool.poetry.dev-dependencies]