diff --git a/voyager/env/mineflayer/package.json b/voyager/env/mineflayer/package.json
index 0414ad5..9e389d2 100644
--- a/voyager/env/mineflayer/package.json
+++ b/voyager/env/mineflayer/package.json
@@ -22,7 +22,7 @@
         "mineflayer-tool": "^1.2.0",
         "mocha": "^10.2.0",
         "prismarine-biome": "^1.3.0",
-        "prismarine-block": "^1.16.3",
+        "prismarine-block": "=1.16.3",
         "prismarine-entity": "^2.2.0",
         "prismarine-item": "^1.12.1",
         "prismarine-nbt": "^2.2.1",