diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9449118e..6aae742c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -115,9 +115,15 @@ jobs:
       shell: bash
       run: |
         git clone --depth=1 https://github.com/madler/zlib.git zlib && cd zlib
-        cmake -B build -DCMAKE_BUILD_TYPE=Release -DZLIB_BUILD_TESTING=OFF -DZLIB_BUILD_SHARED=OFF -DZLIB_BUILD_MINIZIP=OFF -DZLIB_INSTALL_COMPAT_DLL=OFF -DZLIB_INSTALL=OFF
+        cmake -B build -DCMAKE_BUILD_TYPE=Release -DZLIB_BUILD_TESTING=OFF -DZLIB_BUILD_SHARED=OFF -DZLIB_BUILD_MINIZIP=OFF -DZLIB_INSTALL_COMPAT_DLL=OFF
+        cmake --build build --config Release
+
+    - name: Install libpng
+      shell: bash
+      run: |
+        git clone --depth=1 https://git.code.sf.net/p/libpng/code lpng && cd lpng
+        cmake -B build -DCMAKE_BUILD_TYPE=Release -DPNG_SHARED=OFF -DPNG_TESTS=OFF -DPNG_TOOLS=OFF
         cmake --build build --config Release
-        ls build
 
     - name: Configure CMake
       working-directory: build