diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4db5284ab1..c5838f1c67 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -97,6 +97,24 @@ jobs:
             ..
           sudo make -j$(nproc) install
 
+      # OpenCOLLADA is ancient, but we still have it in the main build.
+      # So adding it to CI to catch any breakages.
+      - name: build OpenCOLLADA
+        run: |
+          git clone https://github.com/KhronosGroup/OpenCOLLADA
+          cd OpenCOLLADA
+          git checkout v1.6.68
+          patch -p1 --batch --forward -i ../nix/patches/opencollada/pr622_and_disable_subdirs.patch
+          patch -p1 --batch --forward -i ../nix/patches/opencollada/allow_static_libraries_config_on_unix.patch
+          mkdir build && cd build
+          cmake .. \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_FLAGS_INIT="-fPIC"
+          sudo make -j$(nproc) install
+
       - name: Build ifcopenshell
         run: |
           echo $Python3_ROOT_DIR
@@ -114,7 +132,6 @@ jobs:
                -DOCC_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
                -DPYTHON_EXECUTABLE:FILEPATH=${{ env.pythonLocation }}/bin/python \
                -DPYTHON_INCLUDE_DIR:PATH=${{ env.pythonLocation }}/include/python3.11 \
-               -DCOLLADA_SUPPORT=Off \
                -DUSE_MMAP=On \
                "-DSCHEMA_VERSIONS=2x3;4;4x3_add2" \
                -DGLTF_SUPPORT=On \