diff --git a/opam-release.sh b/opam-release.sh
new file mode 100755
index 0000000..78937d5
--- /dev/null
+++ b/opam-release.sh
@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+set -e
+# set -x
+
+if [ -z $1 ] || [ -z $2 ] || [ -z $3 ] || [ -z $4 ] || \
+   [ $1 == "--help" ] || [ $1 == "-h" ]
+then cat <<EOF
+usage : packager GITHUBUSER PROJECT VERSION URL"
+- GITHUBUSER is your github username, you must have a fork of
+    coq/opam-coq-archive under
+    https://github.com/$GITHUBUSER/opam-coq-archive
+    for this command to work
+- VERSION is the opam version number of the package to create
+- PROJECT is a name of the project, without space, it is used
+    solely for generating the name of the branch and PR
+- URL is the url of the archive associated with the version to
+    release
+EOF
+     exit 0
+else
+GITHUBUSER=$1
+PROJECT=$2
+VERSION=$3
+URL=$4
+fi
+
+COA=$(mktemp -d) # stands for Coq Opam Archive
+git clone --depth=10 git@github.com:coq/opam-coq-archive $COA -o upstream
+git -C $COA remote add\
+  origin git@github.com:$GITHUBUSER/opam-coq-archive
+BRANCH=$PROJECT.$VERSION
+git -C $COA checkout -b $BRANCH
+PKGS=$COA/released/packages
+
+ARCHIVE=$(mktemp)
+curl -L $URL -o $ARCHIVE
+SUM=$(sha256sum $ARCHIVE | cut -d " " -f 1)
+
+for opam in *.opam
+do B=$(basename $opam .opam)
+   P=$PKGS/$B/$B.$VERSION
+   mkdir -p $P
+   sed "/^version:.*/d" $opam > $P/opam
+   echo "" >> $P/opam
+   echo "url {" >> $P/opam
+   echo "  src: \"$URL\"" >> $P/opam
+   echo "  checksum: \"sha256=$SUM\"" >> $P/opam
+   echo "}" >> $P/opam
+
+   opam lint --check-upstream $P/opam
+
+   git -C $COA add $P/opam
+done
+git -C $COA commit -m "Release $PROJECT $VERSION"
+git -C $COA push origin -f $BRANCH
+
+echo "**********************************************************************"
+echo "Create a pull request by visiting"
+echo "https://github.com/$GITHUBUSER/opam-coq-archive/pull/new/$BRANCH"
+echo "**********************************************************************"