diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 7b7cbee..3daf5b1 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -17,7 +17,7 @@ jobs:
     - name: Install Deps
       run: |
         sudo apt update
-        sudo apt install libsdl2-dev libsdl2-ttf-dev libsdl2-mixer-dev librtmidi-dev
+        sudo apt install libsdl2-dev libsdl2-ttf-dev libsdl2-mixer-dev librtmidi-dev nlohmann-json3-dev
 
     - name: Build
       run: |
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index ac63a4a..93dc297 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -24,6 +24,7 @@ jobs:
           SDL2:p
           SDL2_ttf:p
           rtmidi:p
+          nlohmann-json:p
 
     - name: Checkout
       uses: actions/checkout@v4