Update version variables for release 8.9.0
diff --git a/pelicanconf.py b/pelicanconf.py
index ef3e78d..50e5bb9 100755
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -10,8 +10,8 @@
 SITEURL = ''
 CURRENTYEAR = date.today().year
 
-SOLR_LATEST_RELEASE = '8.8.2'
-SOLR_LATEST_RELEASE_DATE = datetime(2021, 4, 12)
+SOLR_LATEST_RELEASE = '8.9.0'
+SOLR_LATEST_RELEASE_DATE = datetime(2021, 6, 17)
 SOLR_PREVIOUS_MAJOR_RELEASE = '7.7.3'
 
 SOLR_OPERATOR_LATEST_RELEASE = 'v0.3.0'