diff --git a/.env.example b/.env.example
index ba7207e..07ab2b5 100644
--- a/.env.example
+++ b/.env.example
@@ -54,7 +54,7 @@ CKAN_SMTP_MAIL_FROM=ckan@localhost
 TZ=UTC
 
 # Solr
-SOLR_IMAGE_VERSION=2.9-solr8
+SOLR_IMAGE_VERSION=2.10-solr9
 CKAN_SOLR_URL=http://solr:8983/solr/ckan
 TEST_CKAN_SOLR_URL=http://solr:8983/solr/ckan