diff --git a/Tools/scripts/pypi-get-latest-version.sh b/Tools/scripts/pypi-get-latest-version.sh
index 2b7c71e56401..ee72582e86c3 100755
--- a/Tools/scripts/pypi-get-latest-version.sh
+++ b/Tools/scripts/pypi-get-latest-version.sh
@@ -1,45 +1,46 @@
 #!/bin/sh
 #
 # MAINTAINER: yuri@FreeBSD.org
 
 set -e
 set -o pipefail
 
 export LC_ALL=C
 
 ##
 ## pypi-get-latest-version.sh: retrieves the latest version of a given Python package as registered on https://pypi.org
 ##
 
 # args
 
 PACKAGE_NAME="$1"
 
 if [ -z "$PACKAGE_NAME" ]; then
 	echo "Usage: $0 <package-name>"
 	exit 1
 fi
 
 # check that packaged dependencies are installed
 
 for dep in jq version_sort; do
 	if ! which -s $dep; then
 		echo "error: the '$dep' dependency is missing"
 		if [ $dep == "jq" ]; then
 			echo "... please install the 'jq' package"
 		elif [ $dep == "version_sort" ]; then
 			echo "... please install the 'libversion' package"
 		fi
 		exit 1
 	fi
 done
 
 
 # MAIN
 
 fetch -o - https://pypi.python.org/pypi/$PACKAGE_NAME/json 2>/dev/null |
 	jq -r '.releases | keys[]' |
 	grep -v dev |
+	grep -v -E ".*(a|b|rc)[0-9]*$" |
 	version_sort |
 	tail -1 ||
 	echo "failed to find the Python package '$PACKAGE_NAME'"