diff --git a/tools/archive.py b/tools/archive.py
index 90fd446..0844eea 100755
--- a/tools/archive.py
+++ b/tools/archive.py
@@ -69,7 +69,7 @@
   create_maven_release.main(["--out", utils.LIBS])
 
   # Generate and copy the build that exclude dependencies.
-  gradle.RunGradleExcludeDeps([utils.R8])
+  gradle.RunGradleExcludeDeps([utils.R8, utils.R8_SRC])
   shutil.copyfile(utils.R8_JAR, utils.R8_EXCLUDE_DEPS_JAR)
 
   # Ensure all archived artifacts has been built before archiving.
@@ -91,6 +91,7 @@
 
     for file in [utils.D8_JAR,
                  utils.R8_JAR,
+                 utils.R8_SRC_JAR,
                  utils.R8_EXCLUDE_DEPS_JAR,
                  utils.COMPATDX_JAR,
                  utils.COMPATPROGUARD_JAR,
@@ -99,7 +100,7 @@
       file_name = os.path.basename(file)
       tagged_jar = os.path.join(temp, file_name)
       shutil.copyfile(file, tagged_jar)
-      if file_name.endswith('.jar'):
+      if file_name.endswith('.jar') and not file_name.endswith('-src.jar'):
         with zipfile.ZipFile(tagged_jar, 'a') as zip:
           zip.write(version_file, os.path.basename(version_file))
       destination = GetUploadDestination(version, file_name, is_master)
diff --git a/tools/utils.py b/tools/utils.py
index 62936db..4b9600b 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -25,11 +25,13 @@
 
 D8 = 'd8'
 R8 = 'r8'
+R8_SRC = 'sourceJar'
 COMPATDX = 'compatdx'
 COMPATPROGUARD = 'compatproguard'
 
 D8_JAR = os.path.join(LIBS, 'd8.jar')
 R8_JAR = os.path.join(LIBS, 'r8.jar')
+R8_SRC_JAR = os.path.join(LIBS, 'r8-src.jar')
 R8_EXCLUDE_DEPS_JAR = os.path.join(LIBS, 'r8-exclude-deps.jar')
 COMPATDX_JAR = os.path.join(LIBS, 'compatdx.jar')
 COMPATPROGUARD_JAR = os.path.join(LIBS, 'compatproguard.jar')