diff --git a/eclipse-distribution/pom.xml b/eclipse-distribution/pom.xml
index 7a4d34a26..03b87a91e 100644
--- a/eclipse-distribution/pom.xml
+++ b/eclipse-distribution/pom.xml
@@ -284,7 +284,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jarsigner-plugin</artifactId>
-				<version>1.3</version>
+				<version>1.4</version>
 				<executions>
 					<execution>
 						<id>sign</id>
@@ -299,7 +299,7 @@
 					<keystore>${signing.keystore}</keystore>
 					<storepass>${signing.store.password}</storepass>
 					<keypass>${signing.key.password}</keypass>
-					<tsa>http://timestamp.digicert.com</tsa>
+					<tsa>http://sha256timestamp.ws.symantec.com/sha256/timestamp</tsa>
 				</configuration>
 			</plugin>
 		</plugins>
diff --git a/eclipse-language-servers/pom.xml b/eclipse-language-servers/pom.xml
index 078a19c81..d3f8251a1 100644
--- a/eclipse-language-servers/pom.xml
+++ b/eclipse-language-servers/pom.xml
@@ -190,7 +190,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jarsigner-plugin</artifactId>
-				<version>1.3</version>
+				<version>1.4</version>
 				<executions>
 					<execution>
 						<id>sign</id>
@@ -205,7 +205,7 @@
 					<keystore>${signing.keystore}</keystore>
 					<storepass>${signing.store.password}</storepass>
 					<keypass>${signing.key.password}</keypass>
-					<tsa>http://timestamp.digicert.com</tsa>
+					<tsa>http://sha256timestamp.ws.symantec.com/sha256/timestamp</tsa>
 				</configuration>
 			</plugin>
 			<plugin>