diff --git a/build.gradle b/build.gradle
index 5eacd90..8504a68 100644
--- a/build.gradle
+++ b/build.gradle
@@ -61,7 +61,7 @@ processResources {
     }
 }
 
-def targetJavaVersion = 21
+def targetJavaVersion = 17
 tasks.withType(JavaCompile).configureEach {
     // ensure that the encoding is set to UTF-8, no matter what the system default is
     // this fixes some edge cases with special characters not displaying correctly
diff --git a/gradle.properties b/gradle.properties
index bf2aabf..21e6806 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,8 +2,8 @@
 org.gradle.jvmargs=-Xmx1G
 # Fabric Properties
 # check these on https://modmuss50.me/fabric.html
-minecraft_version=1.21.1
-yarn_mappings=1.21.1+build.3
+minecraft_version=1.20.1
+yarn_mappings=1.20.1+build.10
 loader_version=0.16.5
 # Mod Properties
 mod_version=1.0.0
@@ -11,4 +11,4 @@ maven_group=ru.bitheaven
 archives_base_name=donpayinteg
 # Dependencies
 # check this on https://modmuss50.me/fabric.html
-fabric_version=0.105.0+1.21.1
+fabric_version=0.92.2+1.20.1