diff --git a/steps-guix/avahi-0.8/pass1.sh b/steps-guix/avahi-0.8/pass1.sh
new file mode 100644
index 00000000..5152d724
--- /dev/null
+++ b/steps-guix/avahi-0.8/pass1.sh
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default
+}
+
+src_configure() {
+    local host_triplet
+    host_triplet="$(gcc -dumpmachine)"
+
+    PATH="${PREFIX}/bin:/usr/bin:/bin" \
+    PKG_CONFIG_PATH="${LIBDIR}/pkgconfig:${PREFIX}/lib/pkgconfig" \
+    ./configure \
+        --prefix="${PREFIX}" \
+        --libdir="${LIBDIR}" \
+        --includedir="${PREFIX}/include" \
+        --host="${host_triplet}" \
+        --build="${host_triplet}" \
+        --enable-static \
+        --enable-shared \
+        --disable-gtk \
+        --disable-gtk3 \
+        --disable-qt3 \
+        --disable-qt4 \
+        --disable-qt5 \
+        --disable-python \
+        --disable-python-dbus \
+        --disable-pygobject \
+        --disable-mono \
+        --disable-monodoc \
+        --disable-autoipd \
+        --disable-doxygen-doc \
+        --disable-manpages \
+        --disable-xmltoman \
+        --disable-tests
+}
+
+src_compile() {
+    default_src_compile
+}
+
+src_install() {
+    default_src_install
+}
diff --git a/steps-guix/avahi-0.8/sources b/steps-guix/avahi-0.8/sources
new file mode 100644
index 00000000..832483f4
--- /dev/null
+++ b/steps-guix/avahi-0.8/sources
@@ -0,0 +1 @@
+f https://github.com/avahi/avahi/releases/download/v0.8/avahi-0.8.tar.gz 060309d7a333d38d951bc27598c677af1796934dbd98e1024e7ad8de798fedda avahi-0.8.tar.gz
diff --git a/steps-guix/manifest b/steps-guix/manifest
index 1031771e..e221f19a 100644
--- a/steps-guix/manifest
+++ b/steps-guix/manifest
@@ -28,6 +28,8 @@ build: sqlite-3510200
 build: guile-sqlite3-0.1.3
 build: guile-zlib-0.2.2
 build: guile-lzlib-0.0.2
+build: scheme-bytestructures-2.0.2
+build: avahi-0.8
 build: guile-avahi-0.4.1
 build: guile-git-0.10.0
 build: guile-json-4.7.3
diff --git a/steps-guix/scheme-bytestructures-2.0.2/pass1.sh b/steps-guix/scheme-bytestructures-2.0.2/pass1.sh
new file mode 100755
index 00000000..ace38a62
--- /dev/null
+++ b/steps-guix/scheme-bytestructures-2.0.2/pass1.sh
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default
+    autoreconf -fi
+}
+
+src_configure() {
+    local host_triplet pkg_config_path
+    host_triplet="$(gcc -dumpmachine)"
+    pkg_config_path="${LIBDIR}/pkgconfig"
+
+    PATH="${PREFIX}/bin:/usr/bin:/bin" \
+    PKG_CONFIG_LIBDIR="${pkg_config_path}:${PREFIX}/lib/pkgconfig" \
+    PKG_CONFIG_PATH="${pkg_config_path}:${PREFIX}/lib/pkgconfig" \
+    LD_LIBRARY_PATH="${LIBDIR}:${LD_LIBRARY_PATH}" \
+    ./configure \
+        --prefix="${PREFIX}" \
+        --libdir="${LIBDIR}" \
+        --host="${host_triplet}" \
+        --build="${host_triplet}"
+}
+
+src_compile() {
+    default_src_compile
+}
+
+src_install() {
+    default_src_install
+}
diff --git a/steps-guix/scheme-bytestructures-2.0.2/sources b/steps-guix/scheme-bytestructures-2.0.2/sources
new file mode 100644
index 00000000..fdbf4bec
--- /dev/null
+++ b/steps-guix/scheme-bytestructures-2.0.2/sources
@@ -0,0 +1 @@
+g https://github.com/TaylanUB/scheme-bytestructures.git~v2.0.2 https://github.com/TaylanUB/scheme-bytestructures/archive/refs/tags/v2.0.2.tar.gz b0681daa006c80efd2fce5dc174ac439d44be8a9c2e70938e497efad08cd5659 scheme-bytestructures-v2.0.2.tar.gz