diff --git a/build.gradle.kts b/build.gradle.kts
index e0e1757..eae8efb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -97,5 +97,6 @@ publishing {
 }
 
 signing {
+    useInMemoryPgpKeys(System.getenv("GPG_PRIVATE_KEY"), System.getenv("GPG_PASSPHRASE"))
     sign(publishing.publications["mavenJava"])
 }
\ No newline at end of file