diff --git a/build.gradle b/build.gradle
index eeda96d6d..f3a3818e2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,7 +35,7 @@ java.toolchain.languageVersion = JavaLanguageVersion.of(17)
 
 println('Java: ' + System.getProperty('java.version') + ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ') Arch: ' + System.getProperty('os.arch'))
 minecraft {
-    mappings channel: 'official', version: "${minecraft_version}" // TODO: waiting for parchment 1.18
+    mappings channel: 'parchment', version: "${parchment_version}-${minecraft_version}"
 
     runs {
         client {
diff --git a/gradle.properties b/gradle.properties
index 5f7161780..6ca80de60 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ org.gradle.daemon = false
 mod_version = 0.4.2-rc
 mc_update_version = 1.18
 minecraft_version = 1.18.1
-forge_version = 39.0.5
+forge_version = 39.0.8
 
 # build dependency versions
 forgegradle_version = 5.1.+
@@ -13,7 +13,7 @@ mixingradle_version = 0.7-SNAPSHOT
 mixin_version = 0.8.5
 librarian_version = 1.+
 cursegradle_version = 1.4.0
-parchment_version = 2021.10.31
+parchment_version = 2021.12.19
 
 # curseforge info
 projectId = 486392