diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index bac76c7..3d7a3a9 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -43,6 +43,15 @@ updates:
       # Keep Node types aligned with the minimum supported Node version.
       - dependency-name: "@types/node"
         update-types: ["version-update:semver-major"]
+
+      # v10 requires conventional-changelog-writer >=9, while the semantic-release
+      # plugins we use still depend on writer ^8. Remove this ignore once both
+      # packages below use conventional-changelog-writer >=9, then verify that
+      # tests/release.test.mjs passes with the v10 preset:
+      # https://github.com/semantic-release/release-notes-generator/blob/master/package.json
+      # https://github.com/semantic-release/commit-analyzer/blob/master/package.json
+      - dependency-name: "conventional-changelog-conventionalcommits"
+        versions: ["10.x"]
     groups:
       development-minor-patch:
         dependency-type: "development"
diff --git a/package.json b/package.json
index 9fcc228..5f834ed 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@semantic-release/release-notes-generator": "^14.1.1",
     "@types/node": "^24.0.0",
     "@types/ws": "^8.5.13",
-    "conventional-changelog-conventionalcommits": "^8.0.0",
+    "conventional-changelog-conventionalcommits": "^9.3.1",
     "esbuild": "^0.28.2",
     "oxfmt": "0.70.0",
     "oxlint": "^1.79.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5d56685..daa0596 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -40,8 +40,8 @@ importers:
         specifier: ^8.5.13
         version: 8.18.1
       conventional-changelog-conventionalcommits:
-        specifier: ^8.0.0
-        version: 8.0.0
+        specifier: ^9.3.1
+        version: 9.3.1
       esbuild:
         specifier: ^0.28.2
         version: 0.28.2
@@ -961,12 +961,8 @@ packages:
     resolution: {integrity: sha512-HdxRxuS8bBXVIuo4V82gvSwAXT0vYQUizrjs/izmPg5JdDstr8v8I5hduGL3iQbG+o310dUDxC4+LetuS5hu9w==}
     engines: {node: '>=22'}
 
-  conventional-changelog-conventionalcommits@10.4.0:
-    resolution: {integrity: sha512-Rriac6ZrAlVm6cy9Bz4NSp+WMHpwNXoPIYex+HjCgduAVUSbnew29DQjQw0C4g9u3HtSYzGiGY+pdBXAZo+4aA==}
-    engines: {node: '>=22'}
-
-  conventional-changelog-conventionalcommits@8.0.0:
-    resolution: {integrity: sha512-eOvlTO6OcySPyyyk8pKz2dP4jjElYunj9hn9/s0OB+gapTO8zwS9UQWrZ1pmF2hFs3vw1xhonOLGcGjy/zgsuA==}
+  conventional-changelog-conventionalcommits@9.3.1:
+    resolution: {integrity: sha512-dTYtpIacRpcZgrvBYvBfArMmK2xvIpv2TaxM0/ZI5CBtNUzvF2x0t15HsbRABWprS6UPmvj+PzHVjSx4qAVKyw==}
     engines: {node: '>=18'}
 
   conventional-changelog-writer@8.4.0:
@@ -2716,11 +2712,7 @@ snapshots:
     dependencies:
       '@conventional-changelog/template': 1.4.0
 
-  conventional-changelog-conventionalcommits@10.4.0:
-    dependencies:
-      '@conventional-changelog/template': 1.4.0
-
-  conventional-changelog-conventionalcommits@8.0.0:
+  conventional-changelog-conventionalcommits@9.3.1:
     dependencies:
       compare-func: 2.0.0