diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d23aacc..16ad415 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,13 +12,13 @@ jobs:
       matrix:
         cc: [ gcc, clang ]
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     env:
       CC: ${{ matrix.cc }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: install prerequisites
@@ -32,7 +32,7 @@ jobs:
     - name: make distcheck
       run: make distcheck
     - if: ${{ matrix.cc == 'gcc' }}
-      uses: actions/upload-artifact@v2.2.1
+      uses: actions/upload-artifact@v4
       with:
         name: tarball
         path: gstpeaq-*.tar.gz
@@ -47,38 +47,38 @@ jobs:
             platform: win32
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install prerequisites
       shell: cmd
       run: |
-        curl --location https://gstreamer.freedesktop.org/data/pkg/windows/1.18.3/msvc/gstreamer-1.0-msvc-${{ matrix.arch }}-1.18.3.msi --output gstreamer.msi
-        curl --location https://gstreamer.freedesktop.org/data/pkg/windows/1.18.3/msvc/gstreamer-1.0-devel-msvc-${{ matrix.arch }}-1.18.3.msi --output gstreamer-devel.msi
+        curl --location https://gstreamer.freedesktop.org/data/pkg/windows/1.24.5/msvc/gstreamer-1.0-msvc-${{ matrix.arch }}-1.24.5.msi --output gstreamer.msi
+        curl --location https://gstreamer.freedesktop.org/data/pkg/windows/1.24.5/msvc/gstreamer-1.0-devel-msvc-${{ matrix.arch }}-1.24.5.msi --output gstreamer-devel.msi
         msiexec /quiet /i gstreamer.msi
         msiexec /quiet /i gstreamer-devel.msi
         del gstreamer.msi
         del gstreamer-devel.msi
     - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.0.2
+      uses: microsoft/setup-msbuild@v2
     - name: Build
       env:
-        GSTREAMER_1_0_ROOT_MSVC_X86_64: c:\gstreamer\1.0\msvc_x86_64
-        GSTREAMER_1_0_ROOT_MSVC_X86: c:\gstreamer\1.0\msvc_x86
+        GSTREAMER_1_0_ROOT_MSVC_X86_64: d:\gstreamer\1.0\msvc_x86_64
+        GSTREAMER_1_0_ROOT_MSVC_X86: d:\gstreamer\1.0\msvc_x86
       run: |
         msbuild vs/gstpeaq.sln -property:Configuration=Release -property:Platform=${{ matrix.platform }}
         msbuild vs/testpeaq.vcxproj -property:Configuration=Release -property:Platform=${{ matrix.platform }}
     - name: Run tests
       env:
-        GSTREAMER_1_0_ROOT_MSVC_X86_64: c:\gstreamer\1.0\msvc_x86_64
-        GSTREAMER_1_0_ROOT_MSVC_X86: c:\gstreamer\1.0\msvc_x86
+        GSTREAMER_1_0_ROOT_MSVC_X86_64: d:\gstreamer\1.0\msvc_x86_64
+        GSTREAMER_1_0_ROOT_MSVC_X86: d:\gstreamer\1.0\msvc_x86
       shell: powershell
       run: |
-        $Env:Path = "$Env:Path;c:\gstreamer\1.0\msvc_${{ matrix.arch }}\bin;"
+        $Env:Path = "$Env:Path;d:\gstreamer\1.0\msvc_${{ matrix.arch }}\bin;"
         .\vs\${{ matrix.platform }}\Release\testpeaq
         if ($LASTEXITCODE -ne 0) {
           throw "test failure"
         }
         .\vs\runtest-${{ matrix.platform }}.ps1
-    - uses: actions/upload-artifact@v2.2.1
+    - uses: actions/upload-artifact@v4
       with:
         name: binaries-win-${{ matrix.arch }}
         path: |
diff --git a/autogen.sh b/autogen.sh
index 50900ae..451416a 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -5,4 +5,4 @@ aclocal -I m4
 autoheader
 autoconf
 automake --add-missing
-CFLAGS="-Wall -Werror -g -DGST_DISABLE_DEPRECATED" ./configure --enable-gtk-doc --enable-man --prefix=/usr $@
+CFLAGS="-Wall -g -DGST_DISABLE_DEPRECATED" ./configure --enable-gtk-doc --enable-man --prefix=/usr $@
diff --git a/configure.ac b/configure.ac
index 6a7c291..559b82a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,6 +22,8 @@ AC_HEADER_STDC
 
 AC_FUNC_MALLOC
 
+AC_CHECK_LIB([m], [exp])
+
 GST_API_VERSION=1.0
 gstreamer_1_0_packages="gstreamer-1.0 gstreamer-base-1.0 gstreamer-fft-1.0"
 PKG_CHECK_MODULES(PKGCONF, [$gstreamer_1_0_packages])