diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index 863a7bff6..1db5ed823 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -16,7 +16,7 @@ env:
   IMAGE_NAME: ${{ secrets.DOCKERHUB_USERNAME }}/voicevox_engine
   PYTHON_VERSION: "3.8.10"
   VOICEVOX_RESOURCE_VERSION: "0.14.0"
-  VOICEVOX_CORE_VERSION: "0.14.0"
+  VOICEVOX_CORE_VERSION: "0.14.1"
   VOICEVOX_ENGINE_VERSION:
     |- # releaseタグ名か、workflow_dispatchでのバージョン名か、latestが入る
     ${{ github.event.release.tag_name || github.event.inputs.version || 'latest' }}
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bf988a50d..62d9a9da2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,7 +22,7 @@ on:
 env:
   PYTHON_VERSION: "3.8.10"
   VOICEVOX_RESOURCE_VERSION: "0.14.0"
-  VOICEVOX_CORE_VERSION: "0.14.0"
+  VOICEVOX_CORE_VERSION: "0.14.1"
 
 jobs:
   config: # 全 jobs で利用する定数の定義. `env` が利用できないコンテキストでも利用できる.
diff --git a/Dockerfile b/Dockerfile
index f44f1e4d6..04cc875be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ EOF
 
 # assert VOICEVOX_CORE_VERSION >= 0.11.0 (ONNX)
 ARG VOICEVOX_CORE_ASSET_PREFIX=voicevox_core-linux-x64-cpu
-ARG VOICEVOX_CORE_VERSION=0.14.0
+ARG VOICEVOX_CORE_VERSION=0.14.1
 RUN <<EOF
     set -eux
 
diff --git a/engine_manifest_assets/update_infos.json b/engine_manifest_assets/update_infos.json
index 4122b2442..3bed9b054 100644
--- a/engine_manifest_assets/update_infos.json
+++ b/engine_manifest_assets/update_infos.json
@@ -1,4 +1,9 @@
 [
+  {
+    "version": "0.14.2",
+    "descriptions": ["DirectML版の生成が遅い問題を修正"],
+    "contributors": []
+  },
   {
     "version": "0.14.1",
     "descriptions": ["AquesTalkライクな記法で生成した音声のバグを修正"],