diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index 693727f4d..88a557dce 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -26,8 +26,8 @@ jobs:
           - nvidia-ubuntu20.04
           - cpu-ubuntu18.04
           - nvidia-ubuntu18.04
-        voicevox_core_version: [0.7.0]
-        voicevox_core_example_version: [0.7.0]
+        voicevox_core_version: [0.7.4]
+        voicevox_core_example_version: [0.7.4]
         include:
           # Ubuntu 20.04
           - tag: ''
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 639d2c8b2..3a5628aed 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,8 +19,8 @@ jobs:
         tag:
           - build-cpu-ubuntu18.04
           - build-nvidia-ubuntu18.04
-        voicevox_core_version: [0.7.0]
-        voicevox_core_example_version: [0.7.0]
+        voicevox_core_version: [0.7.4]
+        voicevox_core_example_version: [0.7.4]
         include:
         - tag: build-cpu-ubuntu18.04
           runtime_tag: cpu-ubuntu18.04 # for cache use
@@ -128,9 +128,9 @@ jobs:
         - os: windows-2019
           python: '3.7'
           python_architecture: 'x64'
-          voicevox_core_version: '0.7.0'
+          voicevox_core_version: '0.7.4'
           voicevox_core_dll_name: core_cpu.dll
-          voicevox_core_example_version: '0.7.0'
+          voicevox_core_example_version: '0.7.4'
           libtorch_url: https://download.pytorch.org/libtorch/cpu/libtorch-win-shared-with-deps-1.9.0%2Bcpu.zip
           ccache_url: https://github.com/ccache/ccache/releases/download/v4.4.1/ccache-4.4.1-windows-64.zip
           artifact_name: windows-cpu
@@ -140,9 +140,9 @@ jobs:
         - os: windows-2019
           python: '3.7'
           python_architecture: 'x64'
-          voicevox_core_version: '0.7.0'
+          voicevox_core_version: '0.7.4'
           voicevox_core_dll_name: core.dll
-          voicevox_core_example_version: '0.7.0'
+          voicevox_core_example_version: '0.7.4'
           libtorch_url: https://download.pytorch.org/libtorch/cu111/libtorch-win-shared-with-deps-1.9.0%2Bcu111.zip
           ccache_url: https://github.com/ccache/ccache/releases/download/v4.4.1/ccache-4.4.1-windows-64.zip
           artifact_name: windows-nvidia
diff --git a/Dockerfile b/Dockerfile
index b4374991a..76e69deec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ RUN <<EOF
 EOF
 
 # assert VOICEVOX_CORE_VERSION >= 0.5.4 (added cpu shared object)
-ARG VOICEVOX_CORE_VERSION=0.7.0
+ARG VOICEVOX_CORE_VERSION=0.7.4
 ARG VOICEVOX_CORE_LIBRARY_NAME=core_cpu
 RUN <<EOF
     wget -nv --show-progress -c -O "./core.zip" "https://github.com/Hiroshiba/voicevox_core/releases/download/${VOICEVOX_CORE_VERSION}/core.zip"
@@ -201,7 +201,7 @@ COPY --from=download-libtorch-env /etc/ld.so.conf.d/libtorch.conf /etc/ld.so.con
 COPY --from=download-libtorch-env /opt/libtorch /opt/libtorch
 
 # Clone VOICEVOX Core example
-ARG VOICEVOX_CORE_EXAMPLE_VERSION=0.7.0
+ARG VOICEVOX_CORE_EXAMPLE_VERSION=0.7.4
 RUN <<EOF
     git clone -b "${VOICEVOX_CORE_EXAMPLE_VERSION}" --depth 1 https://github.com/Hiroshiba/voicevox_core.git /opt/voicevox_core_example
     cd /opt/voicevox_core_example/
diff --git a/VERSION.txt b/VERSION.txt
index bcaffe19b..ef090a6c4 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-0.7.0
\ No newline at end of file
+0.7.4
\ No newline at end of file