diff --git a/projects/graphicsmagick/Dockerfile b/projects/graphicsmagick/Dockerfile
index 3aa8d1e37..8869d1db5 100644
--- a/projects/graphicsmagick/Dockerfile
+++ b/projects/graphicsmagick/Dockerfile
@@ -28,7 +28,7 @@ RUN git clone --depth 1 https://github.com/xz-mirror/xz
 RUN git clone --depth 1 https://github.com/facebook/zstd
 RUN git clone --depth 1 https://github.com/libjpeg-turbo/libjpeg-turbo
 RUN git clone --depth 1 https://git.savannah.nongnu.org/r/freetype/freetype2
-RUN git clone --depth 1 https://github.com/glennrp/libpng
+RUN git clone --depth 1 https://github.com/pnggroup/libpng
 RUN git clone --depth 1 https://github.com/mm2/Little-CMS
 RUN git clone https://git.ghostscript.com/ghostpdl.git
 RUN git clone --depth 1 https://gitlab.com/federicomenaquintero/bzip2.git