diff --git a/projects/ffmpeg.org/package.yml b/projects/ffmpeg.org/package.yml
index 022ab8cb..1dd8f781 100644
--- a/projects/ffmpeg.org/package.yml
+++ b/projects/ffmpeg.org/package.yml
@@ -16,15 +16,22 @@ provides:
   - bin/ffmpeg
   - bin/ffprobe
 
+dependencies:
+  lame.sourceforge.io: '>=3.98.3'
+
 build:
   dependencies:
     x86-64:
       nasm.us: 2
-  script: |
-    ./configure --prefix="{{prefix}}"
-    make --jobs {{hw.concurrency}}
-    make install
+  script:
+    - ./configure $ARGS
+    - make --jobs {{hw.concurrency}}
+    - make install
+  env:
+    ARGS:
+      - --prefix="{{prefix}}"
+      - --enable-libmp3lame
 
-test: |
-  ffmpeg -filter_complex testsrc=rate=1:duration=1 out.mp4
-  test -f out.mp4
+test:
+  - ffmpeg -filter_complex testsrc=rate=1:duration=1 out.mp4
+  - test -f out.mp4
diff --git a/projects/yt-dlp.org/package.yml b/projects/yt-dlp.org/package.yml
index 66c97260..e71a57b5 100644
--- a/projects/yt-dlp.org/package.yml
+++ b/projects/yt-dlp.org/package.yml
@@ -8,6 +8,7 @@ versions:
 
 dependencies:
   python.org: '>=3<3.12'
+  ffmpeg.org: '*'
 
 build: python-venv.sh {{prefix}}/bin/yt-dlp