diff --git a/grok.cfg b/grok.cfg
index ea75b66..b8e9add 100644
--- a/grok.cfg
+++ b/grok.cfg
@@ -60,7 +60,7 @@ packages =
 Chameleon = 2.11
 fanstatic = 0.16
 grok = 1.12
-grokcore.annotation = 1.4
+grokcore.annotation = 1.5
 grokcore.catalog = 2.0
 grokcore.chameleon = 1.0.3
 grokcore.component = 2.5