diff --git a/.github/scripts/release-gradle-snapshot.sh b/.github/scripts/release-gradle-snapshot.sh
index 600a92b94..aef91a4a7 100755
--- a/.github/scripts/release-gradle-snapshot.sh
+++ b/.github/scripts/release-gradle-snapshot.sh
@@ -28,6 +28,7 @@ if [[ -e "build/publications/maven/module.json.asc" ]]; then
   ln -s "../libs/plantuml-${POM_VERSION}.jar.asc"            "${RELEASE_DIR}/plantuml-SNAPSHOT.jar.asc"
   ln -s "../libs/plantuml-${POM_VERSION}-javadoc.jar.asc"    "${RELEASE_DIR}/plantuml-SNAPSHOT-javadoc.jar.asc"
   ln -s "../libs/plantuml-${POM_VERSION}-sources.jar.asc"    "${RELEASE_DIR}/plantuml-SNAPSHOT-sources.jar.asc"
+  ln -s "../libs/plantuml-pdf-${POM_VERSION}.jar.asc"        "${RELEASE_DIR}/plantuml-pdf-SNAPSHOT.jar.asc"
 fi
 
 echo -n "${DATE_TIME_UTC}" > "${RELEASE_DIR}/plantuml-SNAPSHOT.timestamp"
diff --git a/.github/scripts/release-gradle.sh b/.github/scripts/release-gradle.sh
index bc6fcc3d7..9c4904fc8 100755
--- a/.github/scripts/release-gradle.sh
+++ b/.github/scripts/release-gradle.sh
@@ -16,6 +16,7 @@ if [[ -e "build/publications/maven/module.json.asc" ]]; then
   ln -s "../libs/plantuml-${POM_VERSION}.jar.asc"            "${RELEASE_DIR}/plantuml-${POM_VERSION}.jar.asc"
   ln -s "../libs/plantuml-${POM_VERSION}-javadoc.jar.asc"    "${RELEASE_DIR}/plantuml-${POM_VERSION}-javadoc.jar.asc"
   ln -s "../libs/plantuml-${POM_VERSION}-sources.jar.asc"    "${RELEASE_DIR}/plantuml-${POM_VERSION}-sources.jar.asc"
+  ln -s "../libs/plantuml-pdf-${POM_VERSION}.jar.asc"        "${RELEASE_DIR}/plantuml-pdf-${POM_VERSION}.jar.asc"
 fi
 
 gh release create \
diff --git a/.github/workflows/ci-gradle.yml b/.github/workflows/ci-gradle.yml
index d02ef0a31..b1b52487e 100644
--- a/.github/workflows/ci-gradle.yml
+++ b/.github/workflows/ci-gradle.yml
@@ -138,7 +138,7 @@ jobs:
           GPG_KEYNAME: ${{ steps.gpg.outputs.key_id }}
           GPG_PASSPHRASE: ${{ secrets.ARTIFACT_SIGNING_PASSPHRASE }}
         run: |
-          gradle sign \
+          gradle -q signMavenPublication signPdfJar \
             "-Psigning.gnupg.keyName=${GPG_KEYNAME}" \
             "-Psigning.gnupg.passphrase=${GPG_PASSPHRASE}"
 
diff --git a/build.gradle.kts b/build.gradle.kts
index e5f7a5f43..958a963d9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -110,14 +110,7 @@ tasks.test {
 	testLogging.showStandardStreams = true
 }
 
-signing {
-	if (hasProperty("signing.gnupg.passphrase")) {
-		useGpgCmd()
-		sign(publishing.publications["maven"])
-	}
-}
-
-tasks.create("pdfJar", Jar::class) {
+val pdfJar by tasks.registering(Jar::class) {
 	group = "build" // OR for example, "build"
 	description = "Assembles a jar containing dependencies to create PDFs."
 	manifest.attributes["Main-Class"] = "net.sourceforge.plantuml.Run"
@@ -127,3 +120,11 @@ tasks.create("pdfJar", Jar::class) {
 	with(tasks.jar.get())
 	archiveAppendix.set("pdf")
 }
+
+signing {
+	if (hasProperty("signing.gnupg.passphrase")) {
+		useGpgCmd()
+		sign(publishing.publications["maven"])
+		sign(closureOf<SignOperation> { sign(pdfJar.get()) })
+	}
+}