diff --git a/.github/workflows/scripts/linux/build-dependencies-qt.sh b/.github/workflows/scripts/linux/build-dependencies-qt.sh
index 5c136dd945..65dd2f46cf 100755
--- a/.github/workflows/scripts/linux/build-dependencies-qt.sh
+++ b/.github/workflows/scripts/linux/build-dependencies-qt.sh
@@ -16,7 +16,7 @@ fi
 
 LIBBACKTRACE=ad106d5fdd5d960bd33fae1c48a351af567fd075
 LIBJPEGTURBO=3.1.0
-LIBPNG=1.6.45
+LIBPNG=1.6.48
 LIBWEBP=1.5.0
 SDL=SDL3-3.2.10
 QT=6.9.0
@@ -37,7 +37,7 @@ cd deps-build
 cat > SHASUMS <<EOF
 fd6f417fe9e3a071cf1424a5152d926a34c4a3c5070745470be6cf12a404ed79  $LIBBACKTRACE.zip
 9564c72b1dfd1d6fe6274c5f95a8d989b59854575d4bbee44ade7bc17aa9bc93  libjpeg-turbo-$LIBJPEGTURBO.tar.gz
-926485350139ffb51ef69760db35f78846c805fef3d59bfdcb2fba704663f370  libpng-$LIBPNG.tar.xz
+46fd06ff37db1db64c0dc288d78a3f5efd23ad9ac41561193f983e20937ece03  libpng-$LIBPNG.tar.xz
 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c  libwebp-$LIBWEBP.tar.gz
 f87be7b4dec66db4098e9c167b2aa34e2ca10aeb5443bdde95ae03185ed513e0  $SDL.tar.gz
 537512904744b35e232912055ccf8ec66d768639ff3abe5788d90d792ec5f48b  lz4-$LZ4.tar.gz
diff --git a/.github/workflows/scripts/macos/build-dependencies-universal.sh b/.github/workflows/scripts/macos/build-dependencies-universal.sh
index 09817a7f64..cc60b33e2d 100755
--- a/.github/workflows/scripts/macos/build-dependencies-universal.sh
+++ b/.github/workflows/scripts/macos/build-dependencies-universal.sh
@@ -43,7 +43,7 @@ HARFBUZZ=10.0.1
 SDL=SDL3-3.2.10
 ZSTD=1.5.7
 LZ4=1.10.0
-LIBPNG=1.6.45
+LIBPNG=1.6.48
 LIBJPEGTURBO=3.1.0
 LIBWEBP=1.5.0
 FFMPEG=6.0
@@ -82,7 +82,7 @@ e7358ea86fe10fb9261931af6f010d4358dac64f7074420ca9bc94aae2bdd542  harfbuzz-$HARF
 f87be7b4dec66db4098e9c167b2aa34e2ca10aeb5443bdde95ae03185ed513e0  $SDL.tar.gz
 eb33e51f49a15e023950cd7825ca74a4a2b43db8354825ac24fc1b7ee09e6fa3  zstd-$ZSTD.tar.gz
 537512904744b35e232912055ccf8ec66d768639ff3abe5788d90d792ec5f48b  lz4-$LZ4.tar.gz
-926485350139ffb51ef69760db35f78846c805fef3d59bfdcb2fba704663f370  libpng-$LIBPNG.tar.xz
+46fd06ff37db1db64c0dc288d78a3f5efd23ad9ac41561193f983e20937ece03  libpng-$LIBPNG.tar.xz
 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c  libwebp-$LIBWEBP.tar.gz
 9564c72b1dfd1d6fe6274c5f95a8d989b59854575d4bbee44ade7bc17aa9bc93  libjpeg-turbo-$LIBJPEGTURBO.tar.gz
 57be87c22d9b49c112b6d24bc67d42508660e6b718b3db89c44e47e289137082  ffmpeg-$FFMPEG.tar.xz
diff --git a/.github/workflows/scripts/macos/build-dependencies.sh b/.github/workflows/scripts/macos/build-dependencies.sh
index f54e7fbe51..f25fb94c6e 100755
--- a/.github/workflows/scripts/macos/build-dependencies.sh
+++ b/.github/workflows/scripts/macos/build-dependencies.sh
@@ -25,7 +25,7 @@ HARFBUZZ=10.0.1
 SDL=SDL3-3.2.10
 ZSTD=1.5.7
 LZ4=1.10.0
-LIBPNG=1.6.45
+LIBPNG=1.6.48
 LIBJPEGTURBO=3.1.0
 LIBWEBP=1.5.0
 FFMPEG=6.0
@@ -62,7 +62,7 @@ e7358ea86fe10fb9261931af6f010d4358dac64f7074420ca9bc94aae2bdd542  harfbuzz-$HARF
 f87be7b4dec66db4098e9c167b2aa34e2ca10aeb5443bdde95ae03185ed513e0  $SDL.tar.gz
 eb33e51f49a15e023950cd7825ca74a4a2b43db8354825ac24fc1b7ee09e6fa3  zstd-$ZSTD.tar.gz
 537512904744b35e232912055ccf8ec66d768639ff3abe5788d90d792ec5f48b  lz4-$LZ4.tar.gz
-926485350139ffb51ef69760db35f78846c805fef3d59bfdcb2fba704663f370  libpng-$LIBPNG.tar.xz
+46fd06ff37db1db64c0dc288d78a3f5efd23ad9ac41561193f983e20937ece03  libpng-$LIBPNG.tar.xz
 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c  libwebp-$LIBWEBP.tar.gz
 9564c72b1dfd1d6fe6274c5f95a8d989b59854575d4bbee44ade7bc17aa9bc93  libjpeg-turbo-$LIBJPEGTURBO.tar.gz
 57be87c22d9b49c112b6d24bc67d42508660e6b718b3db89c44e47e289137082  ffmpeg-$FFMPEG.tar.xz
diff --git a/.github/workflows/scripts/windows/build-dependencies-arm64.bat b/.github/workflows/scripts/windows/build-dependencies-arm64.bat
index 19ef7377d2..773db71cb1 100644
--- a/.github/workflows/scripts/windows/build-dependencies-arm64.bat
+++ b/.github/workflows/scripts/windows/build-dependencies-arm64.bat
@@ -45,7 +45,7 @@ cd "%BUILDDIR%"
 set FREETYPE=2.13.3
 set HARFBUZZ=10.0.1
 set LIBJPEGTURBO=3.1.0
-set LIBPNG=1645
+set LIBPNG=1648
 set SDL=SDL3-3.2.10
 set QT=6.9.0
 set QTMINOR=6.9
@@ -64,8 +64,8 @@ set SHADERC_SPIRVHEADERS=5e3ad389ee56fca27c9705d093ae5387ce404df4
 set SHADERC_SPIRVTOOLS=dd4b663e13c07fea4fbb3f70c1c91c86731099f7
 
 call :downloadfile "freetype-%FREETYPE%.tar.gz" https://sourceforge.net/projects/freetype/files/freetype2/%FREETYPE%/freetype-%FREETYPE%.tar.gz/download 5c3a8e78f7b24c20b25b54ee575d6daa40007a5f4eea2845861c3409b3021747 || goto error
-call :downloadfile "harfbuzz-%HARFBUZZ%.zip" https://github.com/harfbuzz/harfbuzz/archive/refs/tags/%HARFBUZZ%.zip 8adf9f5a4b6022aa2744f45c89ce347df46fea8403e99f01d650b11c417d0aa8 || goto error
-call :downloadfile "lpng%LIBPNG%.zip" https://download.sourceforge.net/libpng/lpng1645.zip a66c4b1350b67776e90263e2550933067cd9ccbd318db489f84dcc0d2b033249 || goto error
+call :downloadfile "harfbuzz-%HARFBUZZ%.zip" https://github.com/harfbuzz/harfbuzz/archive/refs/tags/%HARFBUZZ%.zip 850cb5e38e21106c0abba86c5b73f8f74b9a32d7725505901d081080b0d3f0b3 || goto error
+call :downloadfile "lpng%LIBPNG%.zip" https://download.sourceforge.net/libpng/lpng1648.zip 2e5f080360f77376eb2bfa9e2ed773b9c7728159aba47b638ad53ca839379040 || goto error
 call :downloadfile "libjpeg-turbo-%LIBJPEGTURBO%.tar.gz" "https://github.com/libjpeg-turbo/libjpeg-turbo/releases/download/%LIBJPEGTURBO%/libjpeg-turbo-%LIBJPEGTURBO%.tar.gz" 9564c72b1dfd1d6fe6274c5f95a8d989b59854575d4bbee44ade7bc17aa9bc93 || goto error
 call :downloadfile "libwebp-%WEBP%.tar.gz" "https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-%WEBP%.tar.gz" 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c || goto error
 call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 01d9ab20fc071b076be91df5396b464b4ef159e93b2b2addda1cc36750fc1f29 || goto error
diff --git a/.github/workflows/scripts/windows/build-dependencies.bat b/.github/workflows/scripts/windows/build-dependencies.bat
index b5319b0f19..8fce63b7b5 100644
--- a/.github/workflows/scripts/windows/build-dependencies.bat
+++ b/.github/workflows/scripts/windows/build-dependencies.bat
@@ -43,7 +43,7 @@ cd "%BUILDDIR%"
 set FREETYPE=2.13.3
 set HARFBUZZ=10.0.1
 set LIBJPEGTURBO=3.1.0
-set LIBPNG=1645
+set LIBPNG=1648
 set SDL=SDL3-3.2.10
 set QT=6.9.0
 set QTMINOR=6.9
@@ -62,8 +62,8 @@ set SHADERC_SPIRVHEADERS=5e3ad389ee56fca27c9705d093ae5387ce404df4
 set SHADERC_SPIRVTOOLS=dd4b663e13c07fea4fbb3f70c1c91c86731099f7
 
 call :downloadfile "freetype-%FREETYPE%.tar.gz" https://sourceforge.net/projects/freetype/files/freetype2/%FREETYPE%/freetype-%FREETYPE%.tar.gz/download 5c3a8e78f7b24c20b25b54ee575d6daa40007a5f4eea2845861c3409b3021747 || goto error
-call :downloadfile "harfbuzz-%HARFBUZZ%.zip" https://github.com/harfbuzz/harfbuzz/archive/refs/tags/%HARFBUZZ%.zip 8adf9f5a4b6022aa2744f45c89ce347df46fea8403e99f01d650b11c417d0aa8 || goto error
-call :downloadfile "lpng%LIBPNG%.zip" https://download.sourceforge.net/libpng/lpng1645.zip a66c4b1350b67776e90263e2550933067cd9ccbd318db489f84dcc0d2b033249 || goto error
+call :downloadfile "harfbuzz-%HARFBUZZ%.zip" https://github.com/harfbuzz/harfbuzz/archive/refs/tags/%HARFBUZZ%.zip 850cb5e38e21106c0abba86c5b73f8f74b9a32d7725505901d081080b0d3f0b3 || goto error
+call :downloadfile "lpng%LIBPNG%.zip" https://download.sourceforge.net/libpng/lpng1648.zip 2e5f080360f77376eb2bfa9e2ed773b9c7728159aba47b638ad53ca839379040 || goto error
 call :downloadfile "libjpeg-turbo-%LIBJPEGTURBO%.tar.gz" "https://github.com/libjpeg-turbo/libjpeg-turbo/releases/download/%LIBJPEGTURBO%/libjpeg-turbo-%LIBJPEGTURBO%.tar.gz" 9564c72b1dfd1d6fe6274c5f95a8d989b59854575d4bbee44ade7bc17aa9bc93 || goto error
 call :downloadfile "libwebp-%WEBP%.tar.gz" "https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-%WEBP%.tar.gz" 7d6fab70cf844bf6769077bd5d7a74893f8ffd4dfb42861745750c63c2a5c92c || goto error
 call :downloadfile "%SDL%.zip" "https://libsdl.org/release/%SDL%.zip" 01d9ab20fc071b076be91df5396b464b4ef159e93b2b2addda1cc36750fc1f29 || goto error