diff --git a/docs/api-output.md b/docs/api-output.md
index 0d3c9904..353236f4 100644
--- a/docs/api-output.md
+++ b/docs/api-output.md
@@ -116,13 +116,13 @@ Use these JPEG options for output image.
     -   `options.progressive` **[Boolean][6]** use progressive (interlace) scan (optional, default `false`)
     -   `options.chromaSubsampling` **[String][1]** set to '4:4:4' to prevent chroma subsampling when quality <= 90 (optional, default `'4:2:0'`)
     -   `options.trellisQuantisation` **[Boolean][6]** apply trellis quantisation, requires mozjpeg (optional, default `false`)
-    -   `options.quantisationTable` **[Number][8]** [quantisation table][9] to use, integer 0-8 (optional, default `0`)
-    -   `options.quantizationTable` **[Number][8]** alternative spelling of quantisationTable (optional, default `0`)
     -   `options.overshootDeringing` **[Boolean][6]** apply overshoot deringing, requires mozjpeg (optional, default `false`)
     -   `options.optimiseScans` **[Boolean][6]** optimise progressive scans, forces progressive, requires mozjpeg (optional, default `false`)
     -   `options.optimizeScans` **[Boolean][6]** alternative spelling of optimiseScans (optional, default `false`)
     -   `options.optimiseCoding` **[Boolean][6]** optimise Huffman coding tables (optional, default `true`)
     -   `options.optimizeCoding` **[Boolean][6]** alternative spelling of optimiseCoding (optional, default `true`)
+    -   `options.quantisationTable` **[Number][8]** quantization table to use, integer 0-8, requires mozjpeg (optional, default `0`)
+    -   `options.quantizationTable` **[Number][8]** alternative spelling of quantisationTable (optional, default `0`)
     -   `options.force` **[Boolean][6]** force JPEG output, otherwise attempt to use input format (optional, default `true`)
 
 ### Examples
@@ -314,5 +314,3 @@ Returns **Sharp**
 [7]: https://nodejs.org/api/buffer.html
 
 [8]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
-
-[9]:  https://jcupitt.github.io/libvips/API/current/VipsForeignSave.html#vips-jpegsave
diff --git a/package.json b/package.json
index 666640b0..6d15b3c1 100644
--- a/package.json
+++ b/package.json
@@ -91,19 +91,19 @@
     "prebuild-install": "^4.0.0",
     "semver": "^5.5.0",
     "simple-get": "^2.8.1",
-    "tar": "^4.4.4",
+    "tar": "^4.4.6",
     "tunnel-agent": "^0.6.0"
   },
   "devDependencies": {
     "async": "^2.6.1",
     "cc": "^1.0.2",
     "decompress-zip": "^0.3.1",
-    "documentation": "^8.0.0",
+    "documentation": "^8.1.0",
     "exif-reader": "^1.0.2",
     "icc": "^1.0.0",
     "mocha": "^5.2.0",
     "nyc": "^12.0.2",
-    "prebuild": "^7.6.0",
+    "prebuild": "^7.6.1",
     "prebuild-ci": "^2.2.3",
     "rimraf": "^2.6.2",
     "semistandard": "^12.0.1"