diff --git a/CI/msys.py b/CI/msys.py
index 508eb7dba..3bbbdda39 100644
--- a/CI/msys.py
+++ b/CI/msys.py
@@ -107,6 +107,7 @@ def __init__(self, name):
         create_commands = [
             'pacman-key --init',
             'pacman-key --populate msys2',
+            'pacman-key --refresh',
             'pacman --noconfirm -Sy procps tar {}'.format(
                 ' '.join(self.packages(name))),
             'pkill gpg-agent',