diff --git a/extensions/jupyterlab/package.json b/extensions/jupyterlab/package.json
index bf0fdee..1e05309 100644
--- a/extensions/jupyterlab/package.json
+++ b/extensions/jupyterlab/package.json
@@ -36,7 +36,7 @@
     "@jupyterlab/console": "^2.0.0 || ^3.0.0"
   },
   "devDependencies": {
-    "prettier": "2.0.5",
+    "prettier": "2.8.8",
     "rimraf": "3.0.2",
     "typescript": "3.9.3"
   },
diff --git a/extensions/jupyterlab/yarn.lock b/extensions/jupyterlab/yarn.lock
index ffed6f6..3b363a5 100644
--- a/extensions/jupyterlab/yarn.lock
+++ b/extensions/jupyterlab/yarn.lock
@@ -1061,10 +1061,10 @@ postcss@^7.0.27:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-prettier@2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
-  integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
+prettier@2.8.8:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
+  integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
 
 prop-types@^15.6.1, prop-types@^15.6.2:
   version "15.7.2"
diff --git a/jupyter_dash/labextension/package.json b/jupyter_dash/labextension/package.json
index bf0fdee..1e05309 100644
--- a/jupyter_dash/labextension/package.json
+++ b/jupyter_dash/labextension/package.json
@@ -36,7 +36,7 @@
     "@jupyterlab/console": "^2.0.0 || ^3.0.0"
   },
   "devDependencies": {
-    "prettier": "2.0.5",
+    "prettier": "2.8.8",
     "rimraf": "3.0.2",
     "typescript": "3.9.3"
   },