diff --git a/build.gradle b/build.gradle
index 4d4fa6b4789af420a7d27d06803cf23752ae2fe0..b9c229b95b01bfd8f47db4c751fece0111fe5d1c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,6 +17,14 @@ java {
 	targetCompatibility = JavaVersion.VERSION_1_8
 }
 
+if (project.hasProperty("gradlePublishKey")) {
+	ext."gradle.publish.key" = project.gradlePublishKey
+}
+
+if (project.hasProperty("gradlePublishSecret")) {
+	ext."gradle.publish.secret" = project.gradlePublishSecret
+}
+
 gradlePlugin {
 	plugins {
 		sableccPlugin {