diff --git a/gradle.properties b/gradle.properties
index deabdd7..9c32179 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,12 +1,13 @@
 # Done to increase the memory available to gradle.
 org.gradle.jvmargs=-Xmx1G
-minecraft_version=1.21.3
-yarn_mappings=1.21.3+build.2
+minecraft_version=1.21.4
+yarn_mappings=1.21.4+build.1
 loader_version=0.16.9
 # Fabric API
-fabric_version=0.107.3+1.21.3
+fabric_version=0.110.5+1.21.4
+polymer_version=0.11.0+1.21.4-rc1
 # Mod Properties
-mod_version=1.2.2
+mod_version=1.2.3
 maven_group=systems.brn
 archives_base_name=tweaks