diff --git a/.github/workflows/flake8-linter-matcher.json b/.github/workflows/flake8-linter-matcher.json
new file mode 100644
index 0000000000..58c5dabcab
--- /dev/null
+++ b/.github/workflows/flake8-linter-matcher.json
@@ -0,0 +1,17 @@
+{
+    "problemMatcher": [
+        {
+            "owner": "flake8-linter-error",
+            "severity": "error",
+            "pattern": [
+                {
+                    "regexp": "^([^:]+):(\\d+):(\\d+):\\s+([EWCNF]\\d+\\s+.+)$",
+                    "file": 1,
+                    "line": 2,
+                    "column": 3,
+                    "message": 4
+                }
+            ]
+        }
+    ]
+}
diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
new file mode 100644
index 0000000000..eabdbdbf38
--- /dev/null
+++ b/.github/workflows/flake8.yml
@@ -0,0 +1,27 @@
+name: Python Flake8 Linter
+on:
+  pull_request:
+jobs:
+  flake8-linter:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v3
+      - name: Install Python 3.11
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+      - name: Install Flake8 5.0.4 linter
+        run: pip install flake8==5.0.4  # use this version for --diff option
+      - name: Setup Flake8 output matcher for PR annotations
+        run: echo '::add-matcher::.github/workflows/flake8-linter-matcher.json'
+      - name: Fetch pull request target branch
+        run: |
+          git remote add upstream https://github.com/pvlib/pvlib-python.git
+          git fetch upstream $GITHUB_BASE_REF
+      - name: Run Flake8 linter
+        run: git diff upstream/$GITHUB_BASE_REF HEAD | flake8
+          --exclude pvlib/version.py
+          --ignore E201,E241,E226,W503,W504
+          --max-line-length 79
+          --diff
diff --git a/docs/sphinx/source/whatsnew/v0.10.2.rst b/docs/sphinx/source/whatsnew/v0.10.2.rst
index 93dc230d15..51adbdb5e2 100644
--- a/docs/sphinx/source/whatsnew/v0.10.2.rst
+++ b/docs/sphinx/source/whatsnew/v0.10.2.rst
@@ -23,7 +23,8 @@ Bug fixes
 
 Testing
 ~~~~~~~
-
+* Added GitHub action to lint file changes with Flake8, replacing Stickler-CI.
+  (:issue:`776`, :issue:`1722`, :pull:`1786`)
 
 Documentation
 ~~~~~~~~~~~~~
@@ -37,3 +38,4 @@ Requirements
 Contributors
 ~~~~~~~~~~~~
 * Adam R. Jensen (:ghuser:`AdamRJensen`)
+* Taos Transue (:ghuser:`reepoi`)