diff --git a/build.gradle b/build.gradle
index 1ec03ad..a651f1e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ targetCompatibility = JavaVersion.VERSION_17
 archivesBaseName = project.archives_base_name
 group = project.maven_group
 
-String buildNumber = 2
+String buildNumber = System.getenv("GITEA_RUN_NUMBER")
 version = "${mod_version}+${minecraft_version}" + (buildNumber != null ? "-${buildNumber}" : "")
 
 repositories {