diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fdf9779..422abce 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,6 +31,6 @@ jobs:
           DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
           NYON_USERNAME: ${{ secrets.NYON_USERNAME }}
           NYON_PASSWORD: ${{ secrets.NYON_PASSWORD }}
-          GPG_SECRET_KEY: ${{ secrets.GPG_SECRET_KEY }}
-          GPG_SECRET_KEY_PASSWORD: ${{ secrets.GPG_SECRET_KEY_PASSWORD }}
+          ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.GPG_SECRET_KEY }}
+          ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.GPG_SECRET_KEY_PASSWORD }}
           GPG_SECRET_KEY_ID: ${{ secrets.GPG_SECRET_KEY_ID }}
diff --git a/build.gradle.kts b/build.gradle.kts
index c3701e4..f4d4e95 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -180,10 +180,9 @@ kotlin {
 }
 
 signing {
-    val signingId = providers.environmentVariable("GPG_SECRET_KEY_ID").orNull
-    val signingKey = providers.environmentVariable("GPG_SECRET_KEY").orNull
-    val signingPassword = providers.environmentVariable("GPG_SECRET_KEY_PASSWORD").orNull
-    useInMemoryPgpKeys(signingId, signingKey, signingPassword)
+    val signingKey: String? by project
+    val signingPassword: String? by project
+    useInMemoryPgpKeys(signingKey, signingPassword)
 
     sign(publishing.publications)
 }