diff --git a/check-version.sh b/check-version.sh
index 1accd29..07458f8 100644
--- a/check-version.sh
+++ b/check-version.sh
@@ -1,8 +1,11 @@
 #!/bin/bash
 
-URL="https://www.gnu.org/software/m4/"
+URL="ftp://ftp.gnu.org/gnu/m4/"
 
-# Get version number from tag name
-VERSION=$(curl -s -L "$URL" | grep 'The latest stable version is ' | grep -o -E '([0-9]*\.[0-9]*)\.[0-9]*')
+# Get version number from FTP server
+VERSION=$(curl -s --list-only "$URL" | grep -E '^m4-[0-9]{1,}\.[0-9]{1,}(\.[0-9]{1,})?.tar.xz$' | cut -d '-' -f2 | sort -V | tail -n1)
+
+# Remove '.tar.gz' suffix from VERSION variable
+VERSION=${VERSION//.tar.xz/}
 
 echo "$VERSION"
diff --git a/info.yml b/info.yml
new file mode 100644
index 0000000..23f6b00
--- /dev/null
+++ b/info.yml
@@ -0,0 +1,21 @@
+name: m4
+description: GNU macro processor
+version: 1.4.21
+revision: 1
+url: https://www.gnu.org/software/m4/
+license: GPL3
+maintainers:
+  - enumdev@enumerated.dev
+architecture: any
+type: source
+depends:
+  - glibc
+make_depends:
+  - gperf
+  - help2man
+  - python3
+downloads:
+  - url: https://ftpmirror.gnu.org/gnu/m4/m4-${BPM_PKG_VERSION}.tar.xz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: f25c6ab51548a73a75558742fb031e0625d6485fe5f9155949d6486a2408ab66
diff --git a/pkg.info b/pkg.info
deleted file mode 100644
index cc75527..0000000
--- a/pkg.info
+++ /dev/null
@@ -1,9 +0,0 @@
-name: m4
-description: GNU macro processor
-version: 1.4.20
-url: https://www.gnu.org/software/m4/
-license: GPL3
-architecture: any
-depends: ["bash","glibc"]
-make_depends: ["bash","binutils","coreutils","gcc","glibc","grep","make","sed","texinfo"]
-type: source
diff --git a/source.sh b/recipe.sh
similarity index 61%
rename from source.sh
rename to recipe.sh
index 090af20..0df0d49 100644
--- a/source.sh
+++ b/recipe.sh
@@ -1,17 +1,7 @@
-# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
+# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
-DOWNLOAD="https://ftpmirror.gnu.org/gnu/m4/m4-${BPM_PKG_VERSION}.tar.xz"
-FILENAME="${DOWNLOAD##*/}"
-
-# The prepare function is executed in the root of the temp directory
-# This function is used for downloading files and putting them into the correct location
-prepare() {
-  wget "$DOWNLOAD"
-  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
-}
-
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
@@ -29,6 +19,7 @@ check() {
 # This function is used to move the compiled files into the output directory
 package() {
   make DESTDIR="$BPM_OUTPUT" install
-  mkdir -p "$BPM_OUTPUT"/usr/share/licenses/M4
-  cp COPYING "$BPM_OUTPUT"/usr/share/licenses/M4/COPYING
+
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/m4/COPYING
 }