diff --git a/build.gradle.kts b/build.gradle.kts
index cc11b6b..aaca66e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -81,6 +81,12 @@ tasks.create("createRelease") {
     }
 }
 
+signing {
+    val signingKey: String? by project
+    val signingPassword: String? by project
+    useInMemoryPgpKeys(signingKey, signingPassword)
+}
+
 indra {
     javaVersions {
         target(17)