diff --git a/src/main/java/net/dv8tion/jda/api/entities/Guild.java b/src/main/java/net/dv8tion/jda/api/entities/Guild.java
index 2e553787ee..666d840f0d 100644
--- a/src/main/java/net/dv8tion/jda/api/entities/Guild.java
+++ b/src/main/java/net/dv8tion/jda/api/entities/Guild.java
@@ -3722,7 +3722,7 @@ default AuditableRestAction<Void> kick(@Nonnull UserSnowflake user, @Nullable St
      */
     @Nonnull
     @CheckReturnValue
-    AuditableRestAction<BulkBanResponse> ban(@Nonnull Collection<UserSnowflake> users, @Nullable Duration deletionTime);
+    AuditableRestAction<BulkBanResponse> ban(@Nonnull Collection<? extends UserSnowflake> users, @Nullable Duration deletionTime);
 
     /**
      * Bans up to 200 of the provided users.
@@ -3763,7 +3763,7 @@ default AuditableRestAction<Void> kick(@Nonnull UserSnowflake user, @Nullable St
      */
     @Nonnull
     @CheckReturnValue
-    default AuditableRestAction<BulkBanResponse> ban(@Nonnull Collection<UserSnowflake> users, int deletionTimeframe, @Nonnull TimeUnit unit)
+    default AuditableRestAction<BulkBanResponse> ban(@Nonnull Collection<? extends UserSnowflake> users, int deletionTimeframe, @Nonnull TimeUnit unit)
     {
         Checks.notNull(unit, "TimeUnit");
         return ban(users, Duration.ofSeconds(unit.toSeconds(deletionTimeframe)));
diff --git a/src/main/java/net/dv8tion/jda/internal/entities/GuildImpl.java b/src/main/java/net/dv8tion/jda/internal/entities/GuildImpl.java
index 9965195cd2..2ab78beceb 100644
--- a/src/main/java/net/dv8tion/jda/internal/entities/GuildImpl.java
+++ b/src/main/java/net/dv8tion/jda/internal/entities/GuildImpl.java
@@ -1548,7 +1548,7 @@ public AuditableRestAction<Void> ban(@Nonnull UserSnowflake user, int duration,
 
     @Nonnull
     @Override
-    public AuditableRestAction<BulkBanResponse> ban(@Nonnull Collection<UserSnowflake> users, @Nullable Duration deletionTime)
+    public AuditableRestAction<BulkBanResponse> ban(@Nonnull Collection<? extends UserSnowflake> users, @Nullable Duration deletionTime)
     {
         deletionTime = deletionTime == null ? Duration.ZERO : deletionTime;
         Checks.noneNull(users, "Users");