diff --git a/validation/test-suite.py b/validation/test-suite.py
index 9db6becc5c78a0a1f2f1297be78e59d7cd790ba1..8228cfe0df7eb4b41002e7556b0cdf911e97040d 100644
--- a/validation/test-suite.py
+++ b/validation/test-suite.py
@@ -17,7 +17,10 @@ import requests
 # Some global variables
 TST_FLS_DIR = "test_files"
 DCKR = "docker"  # `docker` command
-DCKR_IMG_RPO = "mmcif-dict-suite"  # Docker image "name"
+DCKR_IMG_RPO = (  # Docker image "name"
+    "registry.scicore.unibas.ch/schwede/modelcif-converters/"
+    + "mmcif-dict-suite"
+)
 # collection of docker commads used
 DCKR_CMDS = {
     "build": [DCKR, "build"],
@@ -117,7 +120,7 @@ def _get_modelcif_dic_version():
                 ltst = (mjr, mnr, htfx)
                 continue
 
-    return f"v{'.'.join([str(x) for x in ltst])}"
+    return f"{'.'.join([str(x) for x in ltst])}"
 
 
 def _find_docker_image(repo_name, image_tag):
@@ -167,7 +170,7 @@ def _verify_docker_image(image_name, dic_version):
     lbls2chk = {
         "org.modelarchive.base-image": "python:3.9-alpine3.17",
         "org.modelarchive.cpp-dict-pack.version": "v2.500",
-        "org.modelarchive.dict_release": dic_version[1:],
+        "org.modelarchive.dict_release": dic_version,
     }
 
     args = DCKR_CMDS["inspect"]