diff --git a/build.gradle b/build.gradle
index a948a3d..48156aa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ repositories{
 
 ext{
     //the build number that this mod is made for
-    mindustryVersion = 'v146'
+    mindustryVersion = 'v147'
     jabelVersion = "93fde537c7"
     isWindows = System.getProperty("os.name").toLowerCase().contains("windows")
     sdkRoot = System.getenv("ANDROID_HOME") ?: System.getenv("ANDROID_SDK_ROOT")
diff --git a/mod.hjson b/mod.hjson
index 7a781e3..e481f6e 100644
--- a/mod.hjson
+++ b/mod.hjson
@@ -4,6 +4,6 @@ author: "Pointifix"
 main: "autodrill.AutoDrill"
 description: "Adds tools for automatically filling resource patches with drills"
 version: 1.0
-minGameVersion: 136
+minGameVersion: 147
 java: true
 hidden: true
diff --git a/src/autodrill/filler/BridgeDrill.java b/src/autodrill/filler/BridgeDrill.java
index 5553743..fff7844 100644
--- a/src/autodrill/filler/BridgeDrill.java
+++ b/src/autodrill/filler/BridgeDrill.java
@@ -29,12 +29,12 @@ public static void fill(Tile tile, Drill drill, Direction direction) {
     private static void placeDrillsAndBridges(Tile source, Seq<Tile> tiles, Drill drill, Direction direction) {
         Point2 directionConfig = new Point2(direction.p.x * 3, direction.p.y * 3);
 
-        Seq<Tile> drillTiles = tiles.copy().filter(BridgeDrill::isDrillTile);
-        Seq<Tile> bridgeTiles = tiles.copy().filter(BridgeDrill::isBridgeTile);
+        Seq<Tile> drillTiles = tiles.select(BridgeDrill::isDrillTile);
+        Seq<Tile> bridgeTiles = tiles.select(BridgeDrill::isBridgeTile);
 
         int minOresPerDrill = Core.settings.getInt((drill == Blocks.blastDrill ? "airblast" : (drill == Blocks.laserDrill ? "laser" : (drill == Blocks.pneumaticDrill ? "pneumatic" : "mechanical"))) + "-drill-min-ores");
 
-        drillTiles.filter(t -> {
+        drillTiles.retainAll(t -> {
             ObjectIntMap.Entry<Item> itemAndCount = Util.countOre(t, drill);
 
             if (itemAndCount == null || itemAndCount.key != source.drop() || itemAndCount.value < minOresPerDrill) {
@@ -42,13 +42,13 @@ private static void placeDrillsAndBridges(Tile source, Seq<Tile> tiles, Drill dr
             }
 
             Seq<Tile> neighbors = Util.getNearbyTiles(t.x, t.y, drill);
-            neighbors.filter(BridgeDrill::isBridgeTile);
+            neighbors.retainAll(BridgeDrill::isBridgeTile);
 
             for (Tile neighbor : neighbors) {
                 if (bridgeTiles.contains(neighbor)) return true;
             }
 
-            neighbors.filter(n -> {
+            neighbors.retainAll(n -> {
                 BuildPlan buildPlan = new BuildPlan(n.x, n.y, 0, Blocks.itemBridge);
                 return buildPlan.placeable(Vars.player.team());
             });
diff --git a/src/autodrill/filler/OptimizationDrill.java b/src/autodrill/filler/OptimizationDrill.java
index 40048bd..d93676b 100644
--- a/src/autodrill/filler/OptimizationDrill.java
+++ b/src/autodrill/filler/OptimizationDrill.java
@@ -37,7 +37,7 @@ public static void fill(Tile tile, Drill drill, boolean waterExtractorsAndPowerN
             tilesItemAndCount.put(t, Util.countOre(t, drill));
         }
 
-        tiles.filter(t -> {
+        tiles.retainAll(t -> {
             ObjectIntMap.Entry<Item> itemAndCount = tilesItemAndCount.get(t);
             return itemAndCount != null && itemAndCount.key == floor.itemDrop && itemAndCount.value >= minOresPerDrill;
         }).sort(t -> {
diff --git a/src/autodrill/filler/WallDrill.java b/src/autodrill/filler/WallDrill.java
index 1383cb0..8a423c8 100644
--- a/src/autodrill/filler/WallDrill.java
+++ b/src/autodrill/filler/WallDrill.java
@@ -69,7 +69,7 @@ public static void fill(Tile tile, BeamDrill drill, Direction direction) {
         }
         if (ductTiles.isEmpty()) return;
 
-        Tile outerMostDuctTile = ductTiles.copy().filter(t -> boreTiles.find(bt -> direction.secondaryAxis(new Point2(bt.x, bt.y)) == direction.secondaryAxis(new Point2(t.x, t.y))) == null).max(t -> -direction.primaryAxis(new Point2(t.x, t.y)));
+        Tile outerMostDuctTile = ductTiles.select(t -> boreTiles.find(bt -> direction.secondaryAxis(new Point2(bt.x, bt.y)) == direction.secondaryAxis(new Point2(t.x, t.y))) == null).max(t -> -direction.primaryAxis(new Point2(t.x, t.y)));
         if (outerMostDuctTile == null) return;
         ductTiles.sort(t -> t.dst2(outerMostDuctTile));
         Seq<Tile> connectingTiles = new Seq<>();
@@ -203,7 +203,7 @@ private static Seq<Tile> getConnectedWallTiles(Tile tile, Direction direction) {
         }
 
         Seq<Tile> tilesCopy = tiles.copy();
-        tiles.filter(t1 -> {
+        tiles.retainAll(t1 -> {
             Point2 pT1 = Util.tileToPoint2(t1);
             int paT1 = direction.primaryAxis(pT1);
             int saT1 = direction.secondaryAxis(pT1);