diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f6b63f26..336100c4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,22 +10,18 @@ on:
         - cron:  '17 3 * * 0'
 
 jobs:
-    flake8:
-        name: Flake8
+    ruff:
+        name: Ruff
         runs-on: ubuntu-latest
         steps:
         -   uses: actions/checkout@v4
-        -
-            uses: actions/setup-python@v5
             with:
-                # matches compat target in setup.py
-                python-version: '3.8'
+                submodules: true
+        -   uses: actions/setup-python@v5
         -   name: "Main Script"
             run: |
-                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
-                # FIXME Remove when we're upgrading to Python 3.10.
-                rm test/test_pattern_match.py
-                . ./prepare-and-run-flake8.sh pymbolic test experiments
+                pip install ruff
+                ruff check
 
     pylint:
         name: Pylint
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ebce8cb1..543be432 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -48,12 +48,12 @@ Documentation:
   tags:
   - linux
 
-Flake8:
-  script:
-  - curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
-  - . ./prepare-and-run-flake8.sh pymbolic test experiments
+Ruff:
+  script: |
+    pipx install ruff
+    ruff check
   tags:
-  - python3
+  - docker-runner
   except:
   - tags