diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 1ad39a9..2e5a085 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -21,6 +21,8 @@ RUN apt-get -y update && \
     libsdl1.2-dev libgif-dev \
     # libjxl
     libbrotli-dev \
+    # FFTW
+    libfftw3-dev \
     # IM
     libpng16-16 libpng-dev libgomp1 ghostscript libxml2-dev libxml2-utils libtiff-dev libfontconfig1-dev libfreetype6-dev fonts-dejavu liblcms2-2 liblcms2-dev libtcmalloc-minimal4 \
     # Install manually to prevent deleting with -dev packages
@@ -62,7 +64,7 @@ RUN apt-get -y update && \
     # Building ImageMagick
     git clone -b ${IM_VERSION} --depth 1 https://github.com/ImageMagick/ImageMagick.git && \
     cd ImageMagick && \
-    ./configure --without-magick-plus-plus --disable-docs --disable-static --with-tiff --with-jxl --with-tcmalloc && \
+    ./configure --without-magick-plus-plus --disable-docs --disable-static --with-tiff --with-jxl --with-tcmalloc --with-fftw && \
     make && make install && \
     ldconfig /usr/local/lib && \
     apt-get remove --autoremove --purge -y gcc make cmake clang curl g++ yasm git autoconf pkg-config libpng-dev libjpeg-turbo8-dev libde265-dev libx265-dev libxml2-dev libtiff-dev libfontconfig1-dev libfreetype6-dev liblcms2-dev libsdl1.2-dev libgif-dev libbrotli-dev && \