diff --git a/.ci/build-wheels.sh b/.ci/build-wheels.sh
index e999bc9..094608b 100755
--- a/.ci/build-wheels.sh
+++ b/.ci/build-wheels.sh
@@ -57,7 +57,7 @@ make install;
 make distclean;
 
 cd ~/ffmpeg_sources;
-curl -kLO "https://cfhcable.dl.sourceforge.net/project/lame/lame/$LAME_VERSION/lame-$LAME_VERSION.tar.gz"
+curl -kLO "https://downloads.sourceforge.net/project/lame/lame/$LAME_VERSION/lame-$LAME_VERSION.tar.gz"
 tar xzf "lame-$LAME_VERSION.tar.gz"
 cd "lame-$LAME_VERSION"
 ./configure --prefix="$BUILD_DIR" --enable-nasm --enable-shared;
diff --git a/.ci/build_wheels_osx.sh b/.ci/build_wheels_osx.sh
index 83bd15e..fddf813 100644
--- a/.ci/build_wheels_osx.sh
+++ b/.ci/build_wheels_osx.sh
@@ -127,7 +127,7 @@ if [ "$ARCH" = "x86_64" ]; then
   arg=("--enable-nasm")
 fi
 cd "$SRC_PATH";
-curl -kLO "https://cfhcable.dl.sourceforge.net/project/lame/lame/$LAME_VERSION/lame-$LAME_VERSION.tar.gz"
+curl -kLO "https://downloads.sourceforge.net/project/lame/lame/$LAME_VERSION/lame-$LAME_VERSION.tar.gz"
 tar xzf "lame-$LAME_VERSION.tar.gz"
 cd "lame-$LAME_VERSION"
 git apply "$base_dir/.ci/libmp3lame-symbols.patch"
diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index e9b659b..bebd218 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -3,11 +3,11 @@ name: Python application
 on: [push, pull_request]
 
 env:
-  FFMPEG_VERSION: "6.0"  # https://ffmpeg.org/releases/
-  SDL_VERSION: "2.26.4"  # https://github.com/libsdl-org/SDL/releases
-  SDL_MIXER_VERSION: "2.6.3"  # https://github.com/libsdl-org/SDL_mixer/releases
+  FFMPEG_VERSION: "8.0"  # https://ffmpeg.org/releases/
+  SDL_VERSION: "3.2.26"  # https://github.com/libsdl-org/SDL/releases
+  SDL_MIXER_VERSION: "2.8.1"  # https://github.com/libsdl-org/SDL_mixer/releases
   USE_SDL2_MIXER: "1"
-  MACOSX_DEPLOYMENT_TARGET: "10.13"
+  MACOSX_DEPLOYMENT_TARGET: "11.0"
   MACOSX_DEPLOYMENT_TARGET_ARM: "11.0"
 
 jobs:
@@ -170,10 +170,10 @@ jobs:
     needs: linux_wheels
     steps:
       - uses: actions/checkout@v4.2.2
-      - name: Set up Python 3.x
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5.4.0
         with:
-          python-version: 3.x
+          python-version: 3.13  # 3.14 fails!
       - uses: actions/download-artifact@v4.2.1
         with:
           pattern: py_wheel-*