diff --git a/CHANGES.rst b/CHANGES.rst
index a29c25bf..a3062d5c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,8 +4,7 @@ Changelog
 9.3.1 (unreleased)
 ------------------
 
-- Nothing changed yet.
-
+- Fix creating a fresh site in Plone 6.1 when registry does not exist yet. Fixes #378 [pbauer]
 
 9.3.0 (2024-02-15)
 ------------------
diff --git a/plone-6.0.x.cfg b/plone-6.0.x.cfg
index 6e0f5510..825f1e21 100644
--- a/plone-6.0.x.cfg
+++ b/plone-6.0.x.cfg
@@ -1,6 +1,6 @@
 [buildout]
 extends =
-    https://dist.plone.org/release/6.0.0/versions.cfg
+    https://dist.plone.org/release/6.0.9/versions.cfg
     base.cfg
 versions = versions
 
@@ -12,3 +12,4 @@ zodb-temporary-storage = off
 black = 21.7b0
 importlib-metadata = 4.12.0
 Pygments = 2.14.0
+readme-renderer = 43.0
\ No newline at end of file
diff --git a/requirements-6.0.x.txt b/requirements-6.0.x.txt
index cb49b770..0ef1af7d 100644
--- a/requirements-6.0.x.txt
+++ b/requirements-6.0.x.txt
@@ -1,7 +1,7 @@
-# https://dist.plone.org/release/6.0.0/requirements.txt
-pip==22.3.1
-setuptools==65.5.1
-wheel==0.38.4
+# https://dist.plone.org/release/6.0.9/requirements.txt
+pip==23.3.1
+setuptools==69.0.2
+wheel==0.42.0
 zc.buildout==3.0.1
 
 # Windows specific down here (has to be installed here, fails in buildout)
@@ -9,4 +9,4 @@ zc.buildout==3.0.1
 pywin32 ; platform_system == 'Windows'
 
 # SSL Certs on windows, because Python is missing them otherwise:
-certifi ; platform_system == 'Windows'
\ No newline at end of file
+certifi ; platform_system == 'Windows'
diff --git a/src/collective/solr/utils.py b/src/collective/solr/utils.py
index 2ea1c345..ed0c02e5 100644
--- a/src/collective/solr/utils.py
+++ b/src/collective/solr/utils.py
@@ -7,6 +7,7 @@
 from six.moves import range
 from unidecode import unidecode
 from zope.component import getUtility
+from zope.component import queryUtility
 
 if hasattr(str, "maketrans"):
     maketrans = str.maketrans
@@ -22,7 +23,9 @@ def getConfig():
 def isActive():
     """indicate if the solr connection should/can be used"""
     try:
-        registry = getUtility(IRegistry)
+        registry = queryUtility(IRegistry)
+        if registry is None:
+            return False
         active = registry["collective.solr.active"]
     except KeyError:
         return False
@@ -132,7 +135,7 @@ def isSimpleSearch(term):
                 new_parts.append(parts[i])
             else:
                 new_parts.append("quoted")
-        term = u"".join(new_parts)
+        term = "".join(new_parts)
     if bool(operators.match(term)):
         return False
     if bool(simpleCharacters.match(term)):