diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f24c0b0..3a332cc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -41,7 +41,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-13, macos-latest]
+        os: [ubuntu-latest, macos-13, macos-latest, windows-latest]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index d0595ca..d14823d 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -21,14 +21,14 @@ jobs:
   # This workflow contains a single job called "build"
   build:
     # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
 
     strategy:
       # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
       fail-fast: false
 
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, macos-13, windows-latest]
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 448cf8c..6ce6d29 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,8 @@ if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     add_compile_definitions(IS_LINUX)
 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
     add_compile_definitions(IS_MACOS)
+elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+  add_compile_definitions(IS_WINDOWS)
 endif()
 
 find_package(pybind11 REQUIRED)
@@ -21,7 +23,7 @@ include(FetchContent)
 FetchContent_Declare(
   qoco
   GIT_REPOSITORY https://github.com/qoco-org/qoco.git
-  GIT_TAG d2bbfc5d2d921242e4e94e4a2254d7adec3632b4
+  GIT_TAG 251303fbb62e4f225170051c2a5f18fcc14c808f
 )
 
 list(POP_BACK CMAKE_MESSAGE_INDENT)