diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index bca25b4530..8a7761f098 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v2
       - name: Update submodules and install lbuild
         run: |
-          (git submodule sync && git submodule update --init --jobs 8) & pip3 install -U lbuild & wait
+          (git submodule sync && git submodule update --init --jobs 8) & pip3 install --upgrade --upgrade-strategy=eager modm & wait
       - name: Check environment
         run: |
           env
@@ -29,6 +29,25 @@ jobs:
           arm-none-eabi-g++ --version
           which lbuild
           lbuild --version
+      - name: Check for Trailing Whitespace
+        if: always()
+        run: |
+          python3 tools/scripts/rm_whitespace.py
+      - name: Synchronize Documentation
+        if: always()
+        run: |
+          git checkout .
+          python3 tools/scripts/synchronize_docs.py -d
+      - name: Synchronize HAL Support Matrix
+        if: always()
+        run: |
+          git checkout .
+          python3 tools/scripts/generate_hal_matrix.py -d
+      - name: Check Examples
+        if: always()
+        run: |
+          git checkout .
+          python3 tools/scripts/examples_check.py
       - name: Hosted Unittests
         if: always()
         run: |
@@ -57,20 +76,6 @@ jobs:
         run: |
           python3 tools/scripts/authors.py --handles --count --shoutout --since 2017-01-01
           python3 tools/xpcc_generator/builder/system_layout.py examples/xpcc/xml/communication.xml -o /tmp
-      - name: Check for Trailing Whitespace
-        if: always()
-        run: |
-          python3 tools/scripts/rm_whitespace.py
-          git checkout .
-      - name: Synchronize Documentation
-        if: always()
-        run: |
-          python3 tools/scripts/synchronize_docs.py -d
-          git checkout .
-      - name: Check Examples
-        if: always()
-        run: |
-          python3 tools/scripts/examples_check.py
 
   stm32-examples:
     runs-on: ubuntu-20.04
@@ -275,7 +280,7 @@ jobs:
         uses: actions/checkout@v2
       - name: Update submodules and install lbuild
         run: |
-          (git submodule sync && git submodule update --init --jobs 8) & pip3 install -U lbuild & wait
+          (git submodule sync && git submodule update --init --jobs 8) & pip3 --upgrade --upgrade-strategy=eager modm & wait
       - name: Test run of docs.modm.io-generator-script
         if: always()
         run: |
diff --git a/tools/scripts/generate_hal_matrix.py b/tools/scripts/generate_hal_matrix.py
index bc1e1e4564..21717079d7 100755
--- a/tools/scripts/generate_hal_matrix.py
+++ b/tools/scripts/generate_hal_matrix.py
@@ -9,7 +9,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 # -----------------------------------------------------------------------------
 
-import lbuild, re, functools
+import lbuild, re, functools, sys, subprocess
 from collections import defaultdict
 from jinja2 import Environment
 from pathlib import Path
@@ -209,9 +209,23 @@ def hal_format_tables():
 
     return tables
 
-# if __name__ == "__main__":
-#     output = hal_format_tables()
-#     print(output["avr"])
-#     print(output["stm32_all"])
-#     print(output["stm32"])
-#     print(output["sam"])
+
+hal_tables = hal_format_tables()
+readme = repopath("README.md")
+readme.write_text(re.sub(
+        r"<!--alltable-->.*?<!--/alltable-->",
+         "<!--alltable-->{}<!--/alltable-->".format(hal_tables["all"]),
+        readme.read_text(), flags=re.DOTALL | re.MULTILINE))
+
+# Check git differences and fail
+if "-d" in sys.argv:
+    differences = subprocess.run("git diff", shell=True, cwd=repopath("."),
+            stdout=subprocess.PIPE).stdout.decode("utf-8").strip(" \n")
+    if len(differences):
+        subprocess.run("git --no-pager diff", shell=True, cwd=repopath("."))
+        print("\nPlease synchronize the HAL implementation table:\n\n"
+              "    $ python3 tools/scripts/generate_hal_matrix.py\n\n"
+              "and then commit the results!")
+        exit(1)
+
+exit(0)
diff --git a/tools/scripts/synchronize_docs.py b/tools/scripts/synchronize_docs.py
index 57ea33263d..c20880249b 100755
--- a/tools/scripts/synchronize_docs.py
+++ b/tools/scripts/synchronize_docs.py
@@ -28,11 +28,7 @@
 
 """
 
-def repopath(path):
-    return (Path(os.path.abspath(__file__)).parents[2] / path)
-
-with open(repopath("tools/scripts/generate_hal_matrix.py")) as hal_tables:
-    exec(hal_tables.read())
+repopath = lambda path: Path(__file__).parents[2] / path
 
 def run(where, command, stdin=None):
     print(command)
@@ -152,7 +148,6 @@ def get_lbuild(root, target=None):
 driver_table = format_table(drivers, 6)
 
 # Read the repo README.md and replace these keys
-hal_tables = hal_format_tables()
 readme = readme_path.read_text()
 readme = replace(readme, "authorcount", author_count - 7)
 readme = replace(readme, "avrcount", avr_count)
@@ -160,7 +155,6 @@ def get_lbuild(root, target=None):
 readme = replace(readme, "stmcount", stm_count)
 readme = replace(readme, "allcount", all_count)
 readme = replace(readme, "bsptable", bsp_table)
-readme = replace(readme, "alltable", hal_tables["all"])
 readme = replace(readme, "drivertable", driver_table)
 readme_path.write_text(readme)