diff --git a/build-logic/src/main/kotlin/geyser.base-conventions.gradle.kts b/build-logic/src/main/kotlin/geyser.base-conventions.gradle.kts
index 3311d5ddf03..df29a85c008 100644
--- a/build-logic/src/main/kotlin/geyser.base-conventions.gradle.kts
+++ b/build-logic/src/main/kotlin/geyser.base-conventions.gradle.kts
@@ -17,7 +17,7 @@ indra {
     mitLicense()
 
     javaVersions {
-        target(17)
+        target(21)
     }
 }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4d5b13e51a2..a8e32608e37 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -27,24 +27,24 @@ jetbrains-annotations = "24.0.0"
 log4j = "2.20.0"
 jline = "3.21.0"
 terminalconsoleappender = "1.2.0"
-folia = "1.19.4-R0.1-SNAPSHOT"
-viaversion = "4.9.2"
+folia = "1.21.11-R0.1-SNAPSHOT"
+viaversion = "5.9.0-SNAPSHOT"
 adapters = "1.17-SNAPSHOT"
-cloud = "2.0.0-rc.2"
-cloud-minecraft = "2.0.0-beta.14"
-cloud-minecraft-modded = "2.0.0-beta.15"
+cloud = "2.0.0"
+cloud-minecraft = "2.0.0-SNAPSHOT"
+cloud-minecraft-modded = "2.0.0-SNAPSHOT"
 commodore = "2.2"
-bungeecord = "1.21-R0.1-20250215.224541-54"
-bungeecord-api = "1.21-R0.1"
-velocity = "3.4.0-SNAPSHOT"
-viaproxy = "3.3.2-SNAPSHOT"
-fabric-loader = "0.18.2"
-fabric-api = "0.139.4+1.21.11"
+bungeecord = "1.21-R0.4-20250913.044521-9"
+bungeecord-api = "26.1-R0.1-SNAPSHOT"
+velocity = "3.5.0-SNAPSHOT"
+viaproxy = "3.4.11-SNAPSHOT"
+fabric-loader = "0.18.6"
+fabric-api = "0.145.3+26.1.1"
 fabric-permissions-api = "0.6.1"
-neoforge-minecraft = "21.11.0-beta"
+neoforge-minecraft = "26.1.1.4-beta"
 mixin = "0.8.5"
-mixinextras = "0.3.5"
-minecraft = "1.21.11"
+mixinextras = "0.5.3"
+minecraft = "26.1.1"
 mockito = "5.+"
 
 # plugin versions
@@ -53,14 +53,14 @@ shadow = "9.2.2"
 architectury-plugin = "3.4.162"
 architectury-loom = "1.13.457"
 loom-companion = "1.13.467"
-minotaur = "2.8.10"
-lombok = "9.1.0"
+minotaur = "2.9.0"
+lombok = "9.2.0"
 blossom = "2.2.0"
 runtask = "3.0.2"
 
 # run tasks versions
-runpaperversion = "1.21.11"
-runvelocityversion = "3.4.0-SNAPSHOT"
+runpaperversion = "26.1.1"
+runvelocityversion = "3.5.0-SNAPSHOT"
 
 [libraries]
 base-api = { group = "org.geysermc.api", name = "base-api", version.ref = "base-api" }