diff --git a/package-lock.json b/package-lock.json
index 2239517d5..c2a8a1e1c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9829,9 +9829,10 @@
       "dev": true
     },
     "geotiff": {
-      "version": "github:ilan-gold/geotiff.js#dd1f2cf5ea7242e50616b29808e8ba7d1f5dcbda",
-      "from": "github:ilan-gold/geotiff.js#ilan-gold/string_fix",
+      "version": "github:manzt/geotiff.js#cb860da2058be2e12ff7fc442e52cb71dc90e538",
+      "from": "github:manzt/geotiff.js#lzw",
       "requires": {
+        "lzw-tiff-decoder": "0.0.2",
         "pako": "^1.0.11",
         "threads": "^1.3.1",
         "txml": "^3.1.2"
@@ -12386,6 +12387,11 @@
       "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=",
       "dev": true
     },
+    "lzw-tiff-decoder": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/lzw-tiff-decoder/-/lzw-tiff-decoder-0.0.2.tgz",
+      "integrity": "sha512-6JB86YEdCSXC6GL9d6ANilcwNjRCDTw9VZSeVWTzPtx9eyXY6m3jh+t1D2aFbbwYNETiY//4MJYYSNbG0A8bag=="
+    },
     "make-dir": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
@@ -19338,9 +19344,9 @@
       "dev": true
     },
     "txml": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/txml/-/txml-3.1.3.tgz",
-      "integrity": "sha512-JOXZxzZtdXqxczL3aYs6ZtJdHKbqrzdb/BOOj9M48kmL095RHmT8Ad+Ax+UVhE3t7XZLaCjaRsUo6qE4RYudIQ==",
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/txml/-/txml-3.2.5.tgz",
+      "integrity": "sha512-AtN8AgJLiDanttIXJaQlxH8/R0NOCNwto8kcO7BaxdLgsN9b7itM9lnTD7c2O3TadP+hHB9j7ra5XGFRPNnk/g==",
       "requires": {
         "through2": "^3.0.1"
       }
diff --git a/package.json b/package.json
index 45e7888d6..8b638d216 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
     "@luma.gl/core": "^8.2.0",
     "@luma.gl/shadertools": "^8.2.0",
     "fast-xml-parser": "^3.16.0",
-    "geotiff": "ilan-gold/geotiff.js#ilan-gold/string_fix",
+    "geotiff": "manzt/geotiff.js#lzw",
     "quickselect": "^2.0.0",
     "zarr": "^0.3.0"
   }
diff --git a/src/loaders/viv.worker.js b/src/loaders/viv.worker.js
index 9e74b034c..bbb1eb78a 100644
--- a/src/loaders/viv.worker.js
+++ b/src/loaders/viv.worker.js
@@ -2,9 +2,9 @@
 
 import { getTiffDecoder } from './decoder';
 
-function decode(self, fileDirectory, buffer) {
+async function decode(self, fileDirectory, buffer) {
   const decoder = getTiffDecoder(fileDirectory);
-  const result = decoder.decode(fileDirectory, buffer);
+  const result = await decoder.decode(fileDirectory, buffer);
   self.postMessage([result], [result]);
 }