1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/common/options/OptionsParser.java b/src/main/java/com/google/devtools/common/options/OptionsParser.java
index 275f85a927..4ee126e494 100644
--- a/src/main/java/com/google/devtools/common/options/OptionsParser.java
+++ b/src/main/java/com/google/devtools/common/options/OptionsParser.java
@@ -110,7 +110,7 @@ public class OptionsParser implements OptionsProvider {
    * Create a new {@link OptionsParser}.
    */
   public static OptionsParser newOptionsParser(
-      Iterable<Class<? extends OptionsBase>> optionsClasses) {
+      Iterable<? extends Class<? extends OptionsBase>> optionsClasses) {
     return new OptionsParser(getOptionsData(ImmutableList.copyOf(optionsClasses)));
   }