diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dae795878..1a49b0bc2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -28,7 +28,7 @@ jobs:
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
     - name: Install dependencies
-      run: python -m pip install -U "jupyterlab>=4.0.0,<5"
+      run: python -m pip install -U "jupyterlab~=4.0"
 
     - name: Lint the extension
       run: |
@@ -77,7 +77,7 @@ jobs:
           - vega3
         jupyterlab:
           - "3.6"
-          - 4.0.0
+          - "4.0"
         exclude:
           - extension: katex
             jupyterlab: "3.6"
diff --git a/packages/fasta-extension/ui-tests/tests/jupyterlab_fasta.spec.ts-snapshots/fasta-notebook-linux.png b/packages/fasta-extension/ui-tests/tests/jupyterlab_fasta.spec.ts-snapshots/fasta-notebook-linux.png
index e75af517d..51dedaab0 100644
Binary files a/packages/fasta-extension/ui-tests/tests/jupyterlab_fasta.spec.ts-snapshots/fasta-notebook-linux.png and b/packages/fasta-extension/ui-tests/tests/jupyterlab_fasta.spec.ts-snapshots/fasta-notebook-linux.png differ
diff --git a/packages/katex-extension/package.json b/packages/katex-extension/package.json
index 4ec11d30c..2bad2be6f 100644
--- a/packages/katex-extension/package.json
+++ b/packages/katex-extension/package.json
@@ -64,7 +64,7 @@
         "@jupyterlab/rendermime": "^3.0.0 || ^4.0.0",
         "@jupyterlab/rendermime-interfaces": "^3.0.0 || ^3.8.0",
         "@jupyterlab/settingregistry": "^3.0.0 || ^4.0.0",
-        "katex": "^0.12.0"
+        "katex": "^0.16.10"
     },
     "devDependencies": {
         "@jupyterlab/builder": "^4.0.0",
diff --git a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-1-linux.png b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-1-linux.png
index b107c79c4..03713baa4 100644
Binary files a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-1-linux.png and b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-1-linux.png differ
diff --git a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-2-linux.png b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-2-linux.png
index ce8cbf3dc..c31e85101 100644
Binary files a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-2-linux.png and b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-2-linux.png differ
diff --git a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-3-linux.png b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-3-linux.png
index bcf4eef53..c2d49fbb8 100644
Binary files a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-3-linux.png and b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-3-linux.png differ
diff --git a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-4-linux.png b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-4-linux.png
index 1e8471f4c..007bb46a9 100644
Binary files a/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-4-linux.png and b/packages/katex-extension/ui-tests/tests/jupyterlab_katex.spec.ts-snapshots/katex-notebook-4-linux.png differ
diff --git a/packages/mathjax2-extension/ui-tests/tests/jupyterlab_mathjax2.spec.ts-snapshots/mathjax2-notebook-4-linux.png b/packages/mathjax2-extension/ui-tests/tests/jupyterlab_mathjax2.spec.ts-snapshots/mathjax2-notebook-4-linux.png
index 6b9a4cbc8..af3e94772 100644
Binary files a/packages/mathjax2-extension/ui-tests/tests/jupyterlab_mathjax2.spec.ts-snapshots/mathjax2-notebook-4-linux.png and b/packages/mathjax2-extension/ui-tests/tests/jupyterlab_mathjax2.spec.ts-snapshots/mathjax2-notebook-4-linux.png differ
diff --git a/yarn.lock b/yarn.lock
index 04861ed30..e5c2e749a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -560,7 +560,7 @@ __metadata:
     eslint: ^8.36.0
     eslint-config-prettier: ^8.7.0
     eslint-plugin-prettier: ^4.2.1
-    katex: ^0.12.0
+    katex: ^0.16.10
     npm-run-all: ^4.1.5
     prettier: ^2.8.7
     rimraf: ^4.4.1
@@ -3724,13 +3724,20 @@ __metadata:
   languageName: node
   linkType: hard
 
-"commander@npm:2, commander@npm:^2.19.0, commander@npm:^2.20.0":
+"commander@npm:2, commander@npm:^2.20.0":
   version: 2.20.3
   resolution: "commander@npm:2.20.3"
   checksum: ab8c07884e42c3a8dbc5dd9592c606176c7eb5c1ca5ff274bcf907039b2c41de3626f684ea75ccf4d361ba004bbaff1f577d5384c155f3871e456bdf27becf9e
   languageName: node
   linkType: hard
 
+"commander@npm:^8.3.0":
+  version: 8.3.0
+  resolution: "commander@npm:8.3.0"
+  checksum: 0f82321821fc27b83bd409510bb9deeebcfa799ff0bf5d102128b500b7af22872c0c92cb6a0ebc5a4cf19c6b550fba9cedfa7329d18c6442a625f851377bacf0
+  languageName: node
+  linkType: hard
+
 "commander@npm:^9.4.1":
   version: 9.5.0
   resolution: "commander@npm:9.5.0"
@@ -7235,14 +7242,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"katex@npm:^0.12.0":
-  version: 0.12.0
-  resolution: "katex@npm:0.12.0"
+"katex@npm:^0.16.10":
+  version: 0.16.10
+  resolution: "katex@npm:0.16.10"
   dependencies:
-    commander: ^2.19.0
+    commander: ^8.3.0
   bin:
     katex: cli.js
-  checksum: f424c90b2b43034163cee37dd75f7c1f93206580cbaea07703a322010b615c32249d4648974d58f7345ad113431a43c2e8ae2118aed3a06fe37ad46dfdcf6d10
+  checksum: 108e9d810e17840c43eef8d46171096f4cc97852bfd1e2dd1890d9b3435846816e3e98678a31d38bd064eb97eea83b18ff224cb65d5f9511b54ce7ff4359b591
   languageName: node
   linkType: hard