diff --git a/build.gradle.kts b/build.gradle.kts
index 494ea8d..6480a32 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
     `kotlin-dsl`
+    signing
     alias(libs.plugins.pluginPublish)
     alias(libs.plugins.defaults)
     alias(libs.plugins.metadata)
@@ -48,6 +49,12 @@ gradlePlugin {
     }
 }
 
+signing {
+    val signingKey: String? by project
+    val signingPassword: String? by project
+    useInMemoryPgpKeys(signingKey, signingPassword)
+}
+
 testing {
     suites {
         "test"(JvmTestSuite::class) {