diff --git a/.github/workflows/java-publish.yml b/.github/workflows/java-publish.yml
index 1d94a3ed1..ec42744da 100644
--- a/.github/workflows/java-publish.yml
+++ b/.github/workflows/java-publish.yml
@@ -126,10 +126,10 @@ jobs:
 
       - name: Publish to Maven Central
         env:
-          MAVEN_CENTRAL_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
-          MAVEN_CENTRAL_PASSWORD: ${{ secrets.MAVEN_CENTRAL_PASSWORD }}
-          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
-          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+          MAVEN_UPLOAD_USERNAME: ${{ secrets.MAVEN_UPLOAD_USERNAME }}
+          MAVEN_UPLOAD_PASSWORD: ${{ secrets.MAVEN_UPLOAD_PASSWORD }}
+          MAVEN_SIGNING_KEY: ${{ secrets.MAVEN_SIGNING_KEY }}
+          MAVEN_SIGNING_PASSPHRASE: ${{ secrets.MAVEN_SIGNING_PASSPHRASE }}
         run: |
           echo "Building, signing, and publishing to Maven Central..."
           ./gradlew clean publishToMavenCentral --no-daemon --stacktrace
diff --git a/bindings/java/gradle/publish.gradle.kts b/bindings/java/gradle/publish.gradle.kts
index 38f797305..97fd1dc41 100644
--- a/bindings/java/gradle/publish.gradle.kts
+++ b/bindings/java/gradle/publish.gradle.kts
@@ -52,8 +52,8 @@ configure<SigningExtension> {
     setRequired(true)
 
     // For CI/GitHub Actions: use in-memory keys
-    val signingKey = providers.environmentVariable("GPG_PRIVATE_KEY").orNull
-    val signingPassword = providers.environmentVariable("GPG_PASSPHRASE").orNull
+    val signingKey = providers.environmentVariable("MAVEN_SIGNING_KEY").orNull
+    val signingPassword = providers.environmentVariable("MAVEN_SIGNING_PASSPHRASE").orNull
 
     if (signingKey != null && signingPassword != null) {
         // CI mode: use in-memory keys
@@ -222,12 +222,12 @@ tasks.register("publishToMavenCentral") {
     createMavenCentralBundle.get().mustRunAfter("publish")
 
     doLast {
-        val username = providers.environmentVariable("MAVEN_CENTRAL_USERNAME").orNull
-        val password = providers.environmentVariable("MAVEN_CENTRAL_PASSWORD").orNull
+        val username = providers.environmentVariable("MAVEN_UPLOAD_USERNAME").orNull
+        val password = providers.environmentVariable("MAVEN_UPLOAD_PASSWORD").orNull
         val bundleFile = createMavenCentralBundle.get().archiveFile.get().asFile
 
-        require(username != null) { "MAVEN_CENTRAL_USERNAME environment variable must be set" }
-        require(password != null) { "MAVEN_CENTRAL_PASSWORD environment variable must be set" }
+        require(username != null) { "MAVEN_UPLOAD_USERNAME environment variable must be set" }
+        require(password != null) { "MAVEN_UPLOAD_PASSWORD environment variable must be set" }
         require(bundleFile.exists()) { "Bundle file does not exist: ${bundleFile.absolutePath}" }
 
         logger.lifecycle("Uploading bundle to Maven Central Portal...")