diff --git a/.prebuildrc b/.prebuildrc
index 0d95c2ed..0a4ccd2e 100644
--- a/.prebuildrc
+++ b/.prebuildrc
@@ -1,6 +1,6 @@
 {
   "runtime": "napi",
-  "include-regex": "(sharp-.+\\.node|libvips-.+\\.dll|libglib-.+\\.dll|libgobject-.+\\.dll)",
+  "include-regex": "(sharp-.+\\.node|libvips-.+\\.dll)",
   "prerelease": true,
   "strip": true
 }
diff --git a/docs/changelog.md b/docs/changelog.md
index c37418de..890fd344 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -2,7 +2,7 @@
 
 ## v0.33 - *gauge*
 
-Requires libvips v8.14.5
+Requires libvips v8.15.0
 
 ### v0.33.0 - TBD
 
diff --git a/npm/darwin-arm64/package.json b/npm/darwin-arm64/package.json
index da8a70bb..9438a113 100644
--- a/npm/darwin-arm64/package.json
+++ b/npm/darwin-arm64/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-darwin-arm64": "0.0.1"
+    "@img/sharp-libvips-darwin-arm64": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/npm/darwin-x64/package.json b/npm/darwin-x64/package.json
index 03aa218e..01f04d0b 100644
--- a/npm/darwin-x64/package.json
+++ b/npm/darwin-x64/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-darwin-x64": "0.0.1"
+    "@img/sharp-libvips-darwin-x64": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/npm/linux-arm/package.json b/npm/linux-arm/package.json
index 68c4ed07..155e41db 100644
--- a/npm/linux-arm/package.json
+++ b/npm/linux-arm/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-linux-arm": "0.0.1"
+    "@img/sharp-libvips-linux-arm": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/npm/linux-arm64/package.json b/npm/linux-arm64/package.json
index dada251c..5b231cac 100644
--- a/npm/linux-arm64/package.json
+++ b/npm/linux-arm64/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-linux-arm64": "0.0.1"
+    "@img/sharp-libvips-linux-arm64": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/npm/linux-s390x/package.json b/npm/linux-s390x/package.json
index 2e79c3ff..a11160e6 100644
--- a/npm/linux-s390x/package.json
+++ b/npm/linux-s390x/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-linux-s390x": "0.0.2"
+    "@img/sharp-libvips-linux-s390x": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/npm/linux-x64/package.json b/npm/linux-x64/package.json
index e66b555c..9f0486a2 100644
--- a/npm/linux-x64/package.json
+++ b/npm/linux-x64/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-linux-x64": "0.0.1"
+    "@img/sharp-libvips-linux-x64": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/npm/linuxmusl-arm64/package.json b/npm/linuxmusl-arm64/package.json
index 15890c68..0e7482bf 100644
--- a/npm/linuxmusl-arm64/package.json
+++ b/npm/linuxmusl-arm64/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-linuxmusl-arm64": "0.0.1"
+    "@img/sharp-libvips-linuxmusl-arm64": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/npm/linuxmusl-x64/package.json b/npm/linuxmusl-x64/package.json
index 556d8bb7..a9bf7e92 100644
--- a/npm/linuxmusl-x64/package.json
+++ b/npm/linuxmusl-x64/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-linuxmusl-x64": "0.0.1"
+    "@img/sharp-libvips-linuxmusl-x64": "0.0.3"
   },
   "files": [
     "lib"
diff --git a/package.json b/package.json
index 05d24f8b..9b7281f3 100644
--- a/package.json
+++ b/package.json
@@ -142,14 +142,14 @@
   "optionalDependencies": {
     "@img/sharp-darwin-arm64": "0.33.0-alpha.9",
     "@img/sharp-darwin-x64": "0.33.0-alpha.9",
-    "@img/sharp-libvips-darwin-arm64": "0.0.1",
-    "@img/sharp-libvips-darwin-x64": "0.0.1",
-    "@img/sharp-libvips-linux-arm": "0.0.1",
-    "@img/sharp-libvips-linux-arm64": "0.0.1",
-    "@img/sharp-libvips-linux-s390x": "0.0.2",
-    "@img/sharp-libvips-linux-x64": "0.0.1",
-    "@img/sharp-libvips-linuxmusl-arm64": "0.0.1",
-    "@img/sharp-libvips-linuxmusl-x64": "0.0.1",
+    "@img/sharp-libvips-darwin-arm64": "0.0.3",
+    "@img/sharp-libvips-darwin-x64": "0.0.3",
+    "@img/sharp-libvips-linux-arm": "0.0.3",
+    "@img/sharp-libvips-linux-arm64": "0.0.3",
+    "@img/sharp-libvips-linux-s390x": "0.0.3",
+    "@img/sharp-libvips-linux-x64": "0.0.3",
+    "@img/sharp-libvips-linuxmusl-arm64": "0.0.3",
+    "@img/sharp-libvips-linuxmusl-x64": "0.0.3",
     "@img/sharp-linux-arm": "0.33.0-alpha.9",
     "@img/sharp-linux-arm64": "0.33.0-alpha.9",
     "@img/sharp-linux-s390x": "0.33.0-alpha.9",
@@ -160,9 +160,9 @@
     "@img/sharp-win32-x64": "0.33.0-alpha.9"
   },
   "devDependencies": {
-    "@img/sharp-libvips-dev": "0.0.1",
-    "@img/sharp-libvips-win32-ia32": "0.0.1",
-    "@img/sharp-libvips-win32-x64": "0.0.1",
+    "@img/sharp-libvips-dev": "0.0.3",
+    "@img/sharp-libvips-win32-ia32": "0.0.3",
+    "@img/sharp-libvips-win32-x64": "0.0.3",
     "@types/node": "*",
     "async": "^3.2.4",
     "cc": "^3.0.1",
@@ -182,7 +182,7 @@
   "license": "Apache-2.0",
   "engines": {
     "node": "^18.17.0 || ^20.3.0 || >=21.0.0",
-    "libvips": ">=8.14.5"
+    "libvips": ">=8.15.0"
   },
   "funding": {
     "url": "https://opencollective.com/libvips"
diff --git a/src/binding.gyp b/src/binding.gyp
index 0afc2b14..b616a02b 100644
--- a/src/binding.gyp
+++ b/src/binding.gyp
@@ -33,11 +33,11 @@
           '<(sharp_libvips_lib_dir)/glib-2.0/include'
         ],
         'link_settings': {
-          'library_dirs': ['<(sharp_libvips_lib_dir)'],
+          'library_dirs': [
+            '<(sharp_libvips_lib_dir)'
+          ],
           'libraries': [
-            'libvips.lib',
-            'libglib-2.0.lib',
-            'libgobject-2.0.lib'
+            'libvips.lib'
           ],
         },
         'configurations': {
@@ -141,9 +141,7 @@
             ],
             'link_settings': {
               'libraries': [
-                'libvips.lib',
-                'libglib-2.0.lib',
-                'libgobject-2.0.lib'
+                'libvips.lib'
               ]
             }
           }],
@@ -255,9 +253,7 @@
         'copies': [{
           'destination': 'build/Release',
           'files': [
-            '<(sharp_libvips_lib_dir)/libvips-42.dll',
-            '<(sharp_libvips_lib_dir)/libglib-2.0-0.dll',
-            '<(sharp_libvips_lib_dir)/libgobject-2.0-0.dll'
+            '<(sharp_libvips_lib_dir)/libvips-42.dll'
           ]
         }]
       }]
diff --git a/src/common.h b/src/common.h
index f4a59c58..e7d9e0d5 100644
--- a/src/common.h
+++ b/src/common.h
@@ -15,9 +15,9 @@
 // Verify platform and compiler compatibility
 
 #if (VIPS_MAJOR_VERSION < 8) || \
-  (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION < 14) || \
-  (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION == 14 && VIPS_MICRO_VERSION < 5)
-#error "libvips version 8.14.5+ is required - please see https://sharp.pixelplumbing.com/install"
+  (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION < 15) || \
+  (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION == 15 && VIPS_MICRO_VERSION < 0)
+#error "libvips version 8.15.0+ is required - please see https://sharp.pixelplumbing.com/install"
 #endif
 
 #if ((!defined(__clang__)) && defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6)))
diff --git a/src/operations.cc b/src/operations.cc
index 6fbe9906..3c95dac5 100644
--- a/src/operations.cc
+++ b/src/operations.cc
@@ -141,7 +141,7 @@ namespace sharp {
       return image.conv(blur);
     } else {
       // Slower, accurate Gaussian blur
-      return image.gaussblur(sigma);
+      return StaySequential(image, VIPS_ACCESS_SEQUENTIAL).gaussblur(sigma);
     }
   }
 
diff --git a/src/pipeline.cc b/src/pipeline.cc
index 54c4b940..ccc74fc3 100644
--- a/src/pipeline.cc
+++ b/src/pipeline.cc
@@ -485,9 +485,7 @@ class PipelineWorker : public Napi::AsyncWorker {
             image = sharp::StaySequential(image, access);
             image = image.smartcrop(baton->width, baton->height, VImage::option()
               ->set("interesting", baton->position == 16 ? VIPS_INTERESTING_ENTROPY : VIPS_INTERESTING_ATTENTION)
-#if (VIPS_MAJOR_VERSION >= 8 && VIPS_MINOR_VERSION >= 15)
               ->set("premultiplied", shouldPremultiplyAlpha)
-#endif
               ->set("attention_x", &attention_x)
               ->set("attention_y", &attention_y));
             baton->hasCropOffset = true;
diff --git a/test/unit/tile.js b/test/unit/tile.js
index a70d16a6..8ff2eacc 100644
--- a/test/unit/tile.js
+++ b/test/unit/tile.js
@@ -741,28 +741,6 @@ describe('Tile', function () {
       });
     });
 
-    it('Google layout with depth onepixel', function (done) {
-      const directory = fixtures.path('output.google_depth_onepixel.dzi');
-      fs.rm(directory, { recursive: true }, function () {
-        sharp(fixtures.inputJpg)
-          .tile({
-            layout: 'google',
-            depth: 'onepixel',
-            size: 256
-          })
-          .toFile(directory, function (err, info) {
-            if (err) throw err;
-            assert.strictEqual('dz', info.format);
-            assert.strictEqual(2725, info.width);
-            assert.strictEqual(2225, info.height);
-            assert.strictEqual(3, info.channels);
-            assert.strictEqual('number', typeof info.size);
-
-            assertGoogleTiles(directory, 256, 13, done);
-          });
-      });
-    });
-
     it('Google layout with depth onetile', function (done) {
       const directory = fixtures.path('output.google_depth_onetile.dzi');
       fs.rm(directory, { recursive: true }, function () {
diff --git a/test/unit/timeout.js b/test/unit/timeout.js
index c04d2411..b80ef263 100644
--- a/test/unit/timeout.js
+++ b/test/unit/timeout.js
@@ -11,7 +11,7 @@ const fixtures = require('../fixtures');
 describe('Timeout', function () {
   it('Will timeout after 1s when performing slow blur operation', () => assert.rejects(
     () => sharp(fixtures.inputJpg)
-      .blur(100)
+      .blur(200)
       .timeout({ seconds: 1 })
       .toBuffer(),
     /timeout: [0-9]+% complete/
diff --git a/test/unit/tint.js b/test/unit/tint.js
index a7805946..4c5d6e01 100644
--- a/test/unit/tint.js
+++ b/test/unit/tint.js
@@ -49,7 +49,7 @@ describe('Tint', function () {
   });
 
   it('tints rgb image with sepia tone', function (done) {
-    const output = fixtures.path('output.tint-sepia.jpg');
+    const output = fixtures.path('output.tint-sepia-hex.jpg');
     sharp(fixtures.inputJpg)
       .resize(320, 240, { fastShrinkOnLoad: false })
       .tint('#704214')
@@ -63,7 +63,7 @@ describe('Tint', function () {
   });
 
   it('tints rgb image with sepia tone with rgb colour', function (done) {
-    const output = fixtures.path('output.tint-sepia.jpg');
+    const output = fixtures.path('output.tint-sepia-rgb.jpg');
     sharp(fixtures.inputJpg)
       .resize(320, 240, { fastShrinkOnLoad: false })
       .tint([112, 66, 20])