diff --git a/docs/src/content/docs/changelog.md b/docs/src/content/docs/changelog.md
index b233c961..335ca659 100644
--- a/docs/src/content/docs/changelog.md
+++ b/docs/src/content/docs/changelog.md
@@ -4,11 +4,11 @@ title: Changelog
   
 ## v0.34 - *hat*
 
-Requires libvips v8.17.0
+Requires libvips v8.17.1
 
 ### v0.34.3 - TBD
 
-* Upgrade to libvips v8.17.0 for upstream bug fixes.
+* Upgrade to libvips v8.17.1 for upstream bug fixes.
 
 * Add "Magic Kernel Sharp" (no relation) to resizing kernels.
 
diff --git a/npm/darwin-arm64/package.json b/npm/darwin-arm64/package.json
index e2c0dabf..98882daf 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-darwin-arm64": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/darwin-x64/package.json b/npm/darwin-x64/package.json
index 57039e48..65aed430 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-darwin-x64": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/linux-arm/package.json b/npm/linux-arm/package.json
index 47ecd0e1..5df4159b 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-linux-arm": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/linux-arm64/package.json b/npm/linux-arm64/package.json
index 953ed212..3c87780d 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-linux-arm64": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/linux-ppc64/package.json b/npm/linux-ppc64/package.json
index 7a4b8b6e..a3f98720 100644
--- a/npm/linux-ppc64/package.json
+++ b/npm/linux-ppc64/package.json
@@ -15,7 +15,7 @@
   },
   "preferUnplugged": true,
   "optionalDependencies": {
-    "@img/sharp-libvips-linux-ppc64": "1.2.0-rc.3"
+    "@img/sharp-libvips-linux-ppc64": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/linux-s390x/package.json b/npm/linux-s390x/package.json
index c74a4640..30a57507 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-linux-s390x": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/linux-x64/package.json b/npm/linux-x64/package.json
index 510a777a..27870930 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-linux-x64": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/linuxmusl-arm64/package.json b/npm/linuxmusl-arm64/package.json
index 831eddfa..992eda95 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-linuxmusl-arm64": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/npm/linuxmusl-x64/package.json b/npm/linuxmusl-x64/package.json
index d75b4ab4..6c9674ad 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": "1.2.0-rc.3"
+    "@img/sharp-libvips-linuxmusl-x64": "1.2.0-rc.4"
   },
   "files": [
     "lib"
diff --git a/package.json b/package.json
index 466584c1..076a5e36 100644
--- a/package.json
+++ b/package.json
@@ -143,15 +143,15 @@
   "optionalDependencies": {
     "@img/sharp-darwin-arm64": "0.34.3-rc.0",
     "@img/sharp-darwin-x64": "0.34.3-rc.0",
-    "@img/sharp-libvips-darwin-arm64": "1.2.0-rc.3",
-    "@img/sharp-libvips-darwin-x64": "1.2.0-rc.3",
-    "@img/sharp-libvips-linux-arm": "1.2.0-rc.3",
-    "@img/sharp-libvips-linux-arm64": "1.2.0-rc.3",
-    "@img/sharp-libvips-linux-ppc64": "1.2.0-rc.3",
-    "@img/sharp-libvips-linux-s390x": "1.2.0-rc.3",
-    "@img/sharp-libvips-linux-x64": "1.2.0-rc.3",
-    "@img/sharp-libvips-linuxmusl-arm64": "1.2.0-rc.3",
-    "@img/sharp-libvips-linuxmusl-x64": "1.2.0-rc.3",
+    "@img/sharp-libvips-darwin-arm64": "1.2.0-rc.4",
+    "@img/sharp-libvips-darwin-x64": "1.2.0-rc.4",
+    "@img/sharp-libvips-linux-arm": "1.2.0-rc.4",
+    "@img/sharp-libvips-linux-arm64": "1.2.0-rc.4",
+    "@img/sharp-libvips-linux-ppc64": "1.2.0-rc.4",
+    "@img/sharp-libvips-linux-s390x": "1.2.0-rc.4",
+    "@img/sharp-libvips-linux-x64": "1.2.0-rc.4",
+    "@img/sharp-libvips-linuxmusl-arm64": "1.2.0-rc.4",
+    "@img/sharp-libvips-linuxmusl-x64": "1.2.0-rc.4",
     "@img/sharp-linux-arm": "0.34.3-rc.0",
     "@img/sharp-linux-arm64": "0.34.3-rc.0",
     "@img/sharp-linux-ppc64": "0.34.3-rc.0",
@@ -166,11 +166,11 @@
   },
   "devDependencies": {
     "@emnapi/runtime": "^1.4.3",
-    "@img/sharp-libvips-dev": "1.2.0-rc.3",
-    "@img/sharp-libvips-dev-wasm32": "1.2.0-rc.3",
-    "@img/sharp-libvips-win32-arm64": "1.2.0-rc.3",
-    "@img/sharp-libvips-win32-ia32": "1.2.0-rc.3",
-    "@img/sharp-libvips-win32-x64": "1.2.0-rc.3",
+    "@img/sharp-libvips-dev": "1.2.0-rc.4",
+    "@img/sharp-libvips-dev-wasm32": "1.2.0-rc.4",
+    "@img/sharp-libvips-win32-arm64": "1.2.0-rc.4",
+    "@img/sharp-libvips-win32-ia32": "1.2.0-rc.4",
+    "@img/sharp-libvips-win32-x64": "1.2.0-rc.4",
     "@types/node": "*",
     "cc": "^3.0.1",
     "emnapi": "^1.4.3",
@@ -192,7 +192,7 @@
     "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
   },
   "config": {
-    "libvips": ">=8.17.0"
+    "libvips": ">=8.17.1"
   },
   "funding": {
     "url": "https://opencollective.com/libvips"
diff --git a/src/common.h b/src/common.h
index 7baf37e3..4d871d33 100644
--- a/src/common.h
+++ b/src/common.h
@@ -16,8 +16,8 @@
 
 #if (VIPS_MAJOR_VERSION < 8) || \
   (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION < 17) || \
-  (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION == 17 && VIPS_MICRO_VERSION < 0)
-#error "libvips version 8.17.0+ is required - please see https://sharp.pixelplumbing.com/install"
+  (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION == 17 && VIPS_MICRO_VERSION < 1)
+#error "libvips version 8.17.1+ is required - please see https://sharp.pixelplumbing.com/install"
 #endif
 
 #if defined(__has_include)
diff --git a/test/unit/libvips.js b/test/unit/libvips.js
index 002ef0fd..64494e01 100644
--- a/test/unit/libvips.js
+++ b/test/unit/libvips.js
@@ -179,7 +179,7 @@ describe('libvips binaries', function () {
       process.env.npm_config_arch = 's390x';
       process.env.npm_config_libc = '';
       const locatorHash = libvips.yarnLocator();
-      assert.strictEqual(locatorHash, '20827701d8');
+      assert.strictEqual(locatorHash, '236db00005');
       delete process.env.npm_config_platform;
       delete process.env.npm_config_arch;
       delete process.env.npm_config_libc;