diff --git a/Dockerfile b/Dockerfile
index e98f000..a99dc29 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM ubuntu:jammy
 WORKDIR /usr/local/src
 RUN apt update
 RUN apt install -y git ffmpeg make g++ vim wget
-RUN git clone https://github.com/ggerganov/whisper.cpp.git -b v1.4.2 --depth 1
+RUN git clone https://github.com/ggerganov/whisper.cpp.git -b v1.4.3 --depth 1
 
 # whisper.cpp setup
 WORKDIR /usr/local/src/whisper.cpp
diff --git a/cmd/whisper-cpp_docker.go b/cmd/whisper-cpp_docker.go
index 7cbd94d..f08482b 100644
--- a/cmd/whisper-cpp_docker.go
+++ b/cmd/whisper-cpp_docker.go
@@ -10,7 +10,7 @@ import (
 	"path/filepath"
 )
 
-const preparedImage = "miyataka/whisper.cpp-docker:v1.4.2"
+const preparedImage = "miyataka/whisper.cpp-docker:v1.4.3"
 
 func main() {
 	// flag