diff --git a/docker-compose.yml b/docker-compose.yml
index 9b729b69f..5cf53ae1a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -43,9 +43,7 @@ services:
     links:
       - pg
   pg:
-    image: postgres
-    build:
-      context: docker/postgres/.
+    image: "ghcr.io/codeforjapan/postgresql_bigm:12-latest"
     volumes:
       - pg-data:/var/lib/postgresql/data
     environment:
diff --git a/docker/postgres/Dockerfile b/docker/postgres/Dockerfile
deleted file mode 100644
index 71826578f..000000000
--- a/docker/postgres/Dockerfile
+++ /dev/null
@@ -1,16 +0,0 @@
-FROM postgres:12
-
-RUN apt update
-RUN apt install -y postgresql-server-dev-12 make gcc curl libicu-dev
-
-RUN cd /tmp && \
-    curl -L -O https://github.com/pgbigm/pg_bigm/archive/refs/tags/v1.2-20240606.tar.gz && \
-    tar zxf v1.2-20240606.tar.gz && \
-    cd pg_bigm-1.2-20240606 && \
-    make USE_PGXS=1 && \
-    make USE_PGXS=1 install && \
-    rm -rf /tmp/pg_bigm-1.2-20240606 /tmp/v1.2-20240606.tar.gz
-
-RUN mkdir -p /docker-entrypoint-initdb.d
-COPY ./initdb-pg_bigm.sql /docker-entrypoint-initdb.d/10_pg_bigm.sql
-
diff --git a/docker/postgres/initdb-pg_bigm.sql b/docker/postgres/initdb-pg_bigm.sql
deleted file mode 100644
index 7aac902db..000000000
--- a/docker/postgres/initdb-pg_bigm.sql
+++ /dev/null
@@ -1 +0,0 @@
-CREATE EXTENSION IF NOT EXISTS pg_bigm;
\ No newline at end of file