diff --git a/Dockerfile.tumbleweed b/Dockerfile.tumbleweed
index 9acf4cce..3b0dd9bd 100644
--- a/Dockerfile.tumbleweed
+++ b/Dockerfile.tumbleweed
@@ -1,5 +1,5 @@
 # Build the latest openSUSE Tumbleweed image
-FROM opensuse/tumbleweed
+FROM registry.opensuse.org/opensuse/tumbleweed:20200324
 
 # expect - for functional tests
 # libmicrohttpd - for stabber