diff --git a/gradle.properties b/gradle.properties
index 5203d6ce4c5..e385ac5656b 100755
--- a/gradle.properties
+++ b/gradle.properties
@@ -35,8 +35,8 @@ multiPistonVersion=1.2.51-1.21.1-snapshot
 # jei versions: https://github.com/mezz/JustEnoughItems#1211
 jei_mcversion=1.21.1
 jei_version=19.19.6.235
-jmapApiVersion=2.0.0-1.21-SNAPSHOT
-jmapVersion=1.21-6.0.0-beta.19
+jmapApiVersion=2.0.0-1.21.1-SNAPSHOT
+jmapVersion=1.21.1-6.0.0-beta.29
 tinkersConstructVersion=0
 mantleVersion=0
 # some mods include the MC version as part of their "real" version number, others