diff --git a/generate_workspace/src/main/java/com/google/devtools/build/workspace/GenerateWorkspace.java b/generate_workspace/src/main/java/com/google/devtools/build/workspace/GenerateWorkspace.java
index 228f66c..296df94 100644
--- a/generate_workspace/src/main/java/com/google/devtools/build/workspace/GenerateWorkspace.java
+++ b/generate_workspace/src/main/java/com/google/devtools/build/workspace/GenerateWorkspace.java
@@ -48,7 +48,7 @@ public static void main(String[] args) throws InterruptedException {
     try {
       optionParser.parse(args);
     } catch (ParameterException e) {
-      System.out.println("Unable to parse options: " + e.getLocalizedMessage());
+      System.err.println("Unable to parse options: " + e.getLocalizedMessage());
       optionParser.usage();
       return;
     }
diff --git a/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/BzlWriter.java b/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/BzlWriter.java
index 5e1aabf..918942a 100644
--- a/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/BzlWriter.java
+++ b/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/BzlWriter.java
@@ -57,7 +57,7 @@ public void write(Collection<Rule> rules) {
       logger.severe("Could not write " + generatedFile + ": " + e.getMessage());
       return;
     }
-    System.out.println("Wrote " + generatedFile.toAbsolutePath());
+    System.err.println("Wrote " + generatedFile.toAbsolutePath());
   }
 
   private void writeBzl(PrintStream outputStream, Collection<Rule> rules) {
diff --git a/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/WorkspaceWriter.java b/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/WorkspaceWriter.java
index 07092e1..a014629 100644
--- a/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/WorkspaceWriter.java
+++ b/generate_workspace/src/main/java/com/google/devtools/build/workspace/output/WorkspaceWriter.java
@@ -76,7 +76,7 @@ public void write(Collection<Rule> rules) {
               + e.getMessage());
       return;
     }
-    System.out.println("Wrote:\n" + workspaceFile + "\n" + buildFile);
+    System.err.println("Wrote:\n" + workspaceFile + "\n" + buildFile);
   }
 
   /**
diff --git a/transitive_maven_jar/generate_workspace_deploy.jar b/transitive_maven_jar/generate_workspace_deploy.jar
index e9a618d..48f8e4f 100755
Binary files a/transitive_maven_jar/generate_workspace_deploy.jar and b/transitive_maven_jar/generate_workspace_deploy.jar differ