diff --git a/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt b/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt
index f36d77b2fc3ba7..46bc5d32c6b6fe 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt
+++ b/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt
@@ -305,9 +305,8 @@ function create_and_run_classpath_jar() {
   done
   unset IFS
 
-  RAND_ID=$(cat /dev/urandom | head -c 128 | md5func)
   # Create manifest file
-  MANIFEST_FILE="${self}-${RAND_ID}.jar_manifest"
+  MANIFEST_FILE="$(mktemp XXXXXXXX.jar_manifest)"
 
   (
     echo "Manifest-Version: 1.0"
@@ -325,7 +324,7 @@ function create_and_run_classpath_jar() {
   ) >$MANIFEST_FILE
 
   # Create classpath JAR file
-  MANIFEST_JAR_FILE="${self}-${RAND_ID}-classpath.jar"
+  MANIFEST_JAR_FILE="$(mktemp XXXXXXXX-classpath.jar)"
   if is_windows; then
     MANIFEST_JAR_FILE="$(cygpath --windows "$MANIFEST_JAR_FILE")"
     MANIFEST_FILE="$(cygpath --windows "$MANIFEST_FILE")"