diff --git a/.github/workflows/test-devel.yml b/.github/workflows/test-devel.yml
index 81bef11..2731820 100644
--- a/.github/workflows/test-devel.yml
+++ b/.github/workflows/test-devel.yml
@@ -292,6 +292,7 @@ jobs:
     - test-hybrid
     - test-inspircd
     - test-inspircd-anope
+    - test-ircu2
     - test-limnoria
     - test-plexus4
     - test-solanum
@@ -552,6 +553,44 @@ jobs:
       with:
         name: pytest results inspircd-anope (devel)
         path: pytest.xml
+  test-ircu2:
+    needs: []
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.7
+    - name: Checkout ircu2
+      uses: actions/checkout@v2
+      with:
+        path: ircu2
+        ref: u2_10_12_branch
+        repository: undernetirc/ircu2
+    - name: Build ircu2
+      run: |
+        cd $GITHUB_WORKSPACE/ircu2
+        # We need --with-maxcon, to set MAXCONNECTIONS so that it's much lower than
+        # NN_MAX_CLIENT, or ircu2 crashes with a somewhat cryptic error on startup.
+        ./configure --prefix=$HOME/.local/ --with-maxcon=1024 --enable-debug
+        make -j 4
+        make install
+    - name: Install Atheme
+      run: sudo apt-get install atheme-services
+    - name: Install irctest dependencies
+      run: |-
+        python -m pip install --upgrade pip
+        pip install pytest pytest-xdist -r requirements.txt
+    - name: Test with pytest
+      run: PYTEST_ARGS='--junit-xml pytest.xml' PATH=$HOME/.local/bin:$PATH  make
+        ircu2
+    - if: always()
+      name: Publish results
+      uses: actions/upload-artifact@v2
+      with:
+        name: pytest results ircu2 (devel)
+        path: pytest.xml
   test-limnoria:
     needs: []
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test-stable.yml b/.github/workflows/test-stable.yml
index b7dc410..62ddac6 100644
--- a/.github/workflows/test-stable.yml
+++ b/.github/workflows/test-stable.yml
@@ -335,6 +335,7 @@ jobs:
     - test-inspircd-anope
     - test-inspircd-atheme
     - test-irc2
+    - test-ircu2
     - test-limnoria
     - test-plexus4
     - test-solanum
@@ -713,6 +714,44 @@ jobs:
       with:
         name: pytest results irc2 (stable)
         path: pytest.xml
+  test-ircu2:
+    needs: []
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.7
+    - name: Checkout ircu2
+      uses: actions/checkout@v2
+      with:
+        path: ircu2
+        ref: u2.10.12.19
+        repository: undernetirc/ircu2
+    - name: Build ircu2
+      run: |
+        cd $GITHUB_WORKSPACE/ircu2
+        # We need --with-maxcon, to set MAXCONNECTIONS so that it's much lower than
+        # NN_MAX_CLIENT, or ircu2 crashes with a somewhat cryptic error on startup.
+        ./configure --prefix=$HOME/.local/ --with-maxcon=1024 --enable-debug
+        make -j 4
+        make install
+    - name: Install Atheme
+      run: sudo apt-get install atheme-services
+    - name: Install irctest dependencies
+      run: |-
+        python -m pip install --upgrade pip
+        pip install pytest pytest-xdist -r requirements.txt
+    - name: Test with pytest
+      run: PYTEST_ARGS='--junit-xml pytest.xml' PATH=$HOME/.local/bin:$PATH  make
+        ircu2
+    - if: always()
+      name: Publish results
+      uses: actions/upload-artifact@v2
+      with:
+        name: pytest results ircu2 (stable)
+        path: pytest.xml
   test-limnoria:
     needs: []
     runs-on: ubuntu-latest
diff --git a/workflows.yml b/workflows.yml
index 3f411f9..586c54b 100644
--- a/workflows.yml
+++ b/workflows.yml
@@ -323,6 +323,9 @@ tests:
     irc2:
         software: [irc2]
 
+    ircu2:
+        software: [ircu2]
+
     unrealircd:
         software: [unrealircd]