diff --git a/.github/workflows/build-ffmpeg.yml b/.github/workflows/build-ffmpeg.yml
index 4299751c..74c54710 100644
--- a/.github/workflows/build-ffmpeg.yml
+++ b/.github/workflows/build-ffmpeg.yml
@@ -64,7 +64,7 @@ jobs:
       - uses: msys2/setup-msys2@v2
         if: matrix.os == 'windows-latest'
         with:
-          install: base-devel openssl-devel ${{ matrix.msys_prefix }}-gcc ${{ matrix.msys_prefix }}-gperf ${{ matrix.msys_prefix }}-nasm
+          install: base-devel openssl-devel ${{ matrix.msys_prefix }}-gcc ${{ matrix.msys_prefix }}-nasm
           msystem: ${{ matrix.msys_system }}
           path-type: inherit
       - name: Build FFmpeg
@@ -83,5 +83,5 @@ jobs:
       - name: Upload FFmpeg
         uses: actions/upload-artifact@v6
         with:
-          name: output-${{ matrix.os }}-${{ matrix.arch }}
+          name: output-${{ matrix.os }}
           path: output/
diff --git a/scripts/build-ffmpeg.py b/scripts/build-ffmpeg.py
index 2c7593ca..f783ac81 100644
--- a/scripts/build-ffmpeg.py
+++ b/scripts/build-ffmpeg.py
@@ -21,8 +21,7 @@ def calculate_sha256(filename: str) -> str:
             sha256_hash.update(byte_block)
     return sha256_hash.hexdigest()
 
-
-library_group = [
+gnutls_group = [
     Package(
         name="gmp",
         source_url="https://ftp.gnu.org/gnu/gmp/gmp-6.3.0.tar.xz",
@@ -30,18 +29,15 @@ def calculate_sha256(filename: str) -> str:
         # out-of-tree builds fail on Windows
         build_dir=".",
     ),
-]
-
-gnutls_group = [
     Package(
         name="unistring",
-        source_url="https://ftp.gnu.org/gnu/libunistring/libunistring-1.3.tar.gz",
-        sha256="8ea8ccf86c09dd801c8cac19878e804e54f707cf69884371130d20bde68386b7",
+        source_url="https://ftp.gnu.org/gnu/libunistring/libunistring-1.4.1.tar.gz",
+        sha256="12542ad7619470efd95a623174dcd4b364f2483caf708c6bee837cb53a54cb9d",
     ),
     Package(
         name="nettle",
-        source_url="https://ftp.gnu.org/gnu/nettle/nettle-3.10.1.tar.gz",
-        sha256="b0fcdd7fc0cdea6e80dcf1dd85ba794af0d5b4a57e26397eee3bc193272d9132",
+        source_url="https://ftp.gnu.org/gnu/nettle/nettle-3.10.2.tar.gz",
+        sha256="fe9ff51cb1f2abb5e65a6b8c10a92da0ab5ab6eaf26e7fc2b675c45f1fb519b5",
         requires=["gmp"],
         build_arguments=["--disable-documentation"],
         # build randomly fails with "*** missing separator.  Stop."
@@ -49,8 +45,8 @@ def calculate_sha256(filename: str) -> str:
     ),
     Package(
         name="gnutls",
-        source_url="https://www.gnupg.org/ftp/gcrypt/gnutls/v3.8/gnutls-3.8.9.tar.xz",
-        sha256="69e113d802d1670c4d5ac1b99040b1f2d5c7c05daec5003813c049b5184820ed",
+        source_url="https://www.gnupg.org/ftp/gcrypt/gnutls/v3.8/gnutls-3.8.11.tar.xz",
+        sha256="91bd23c4a86ebc6152e81303d20cf6ceaeb97bc8f84266d0faec6e29f17baa20",
         requires=["nettle", "unistring"],
         build_arguments=[
             "--disable-cxx",
@@ -332,27 +328,18 @@ def main():
     # install packages
     available_tools = set()
     if plat == "Windows":
-        available_tools.update(["gperf", "nasm"])
+        available_tools.update(["nasm"])
 
         # print tool locations
         print("PATH", os.environ["PATH"])
-        for tool in ["gcc", "g++", "curl", "gperf", "ld", "nasm", "pkg-config"]:
+        for tool in ["gcc", "g++", "curl", "ld", "nasm", "pkg-config"]:
             run(["where", tool])
 
     with log_group("install python packages"):
-        run(["pip", "install", "cmake==3.31.6", "meson", "ninja"])
+        run(["pip", "install", "cmake==3.31.10", "meson", "ninja"])
 
     # build tools
     build_tools = []
-    if "gperf" not in available_tools:
-        build_tools.append(
-            Package(
-                name="gperf",
-                source_url="http://ftp.gnu.org/pub/gnu/gperf/gperf-3.1.tar.gz",
-                sha256="588546b945bba4b70b6a3a616e80b4ab466e3f33024a352fc2198112cdbb3ae2",
-            )
-        )
-
     if "nasm" not in available_tools and platform.machine() not in {"arm64", "aarch64"}:
         build_tools.append(
             Package(
@@ -378,7 +365,6 @@ def main():
             else "--disable-mediafoundation"
         ),
         "--enable-version3",
-        "--enable-gmp",
         "--enable-alsa" if use_alsa else "--disable-alsa",
         "--enable-gnutls" if use_gnutls else "--disable-gnutls",
         "--enable-libaom",
@@ -426,7 +412,7 @@ def main():
         ]
     )
 
-    packages = library_group[:]
+    packages = []
     if use_alsa:
         packages += [alsa_package]
     if use_cuda: