diff --git a/.github/workflows/cmake-multi-platform.yml b/.github/workflows/cmake-multi-platform.yml
index 2764ac3e..2d820b12 100644
--- a/.github/workflows/cmake-multi-platform.yml
+++ b/.github/workflows/cmake-multi-platform.yml
@@ -59,6 +59,17 @@ jobs:
         sudo apt-get update
         sudo apt-get -y install mosquitto
 
+    - name: Install Mosquitto from Source (windows)
+      if: matrix.os == 'windows-latest'
+      run: |
+        git clone https://github.com/eclipse/mosquitto.git
+        cd mosquitto
+        git checkout "v2.0.18"
+        mkdir build && cd build
+        cmake .. -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+        cmake --build . --target install
+        "C:\Program Files\mosquitto\mosquitto install"
+
     - name: Install Catch2 v2 from Source (ubuntu)
       if: matrix.os == 'ubuntu-latest'
       run: |