diff --git a/.drone.yml b/.drone.yml
index 2d366e5..ee323e4 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -12,12 +12,12 @@ name: default
 
 steps:
   - name: build
-    image: debian:bullseye-slim
+    image: debian:bookworm-slim
     commands:
-      - apt -y update && apt -y install
-            build-essential pkg-config autoconf automake libtool
+      - apt-get -y update && apt-get -y install
+            build-essential pkgconf autoconf automake libtool
             autoconf-archive dejagnu texinfo libreadline-dev librime-dev
-      - autoreconf -i && mkdir build && cd build
+      - mkdir build && cd build && autoreconf -i ..
       - ../configure --with-readline --with-rime --enable-arif-debug
             CFLAGS='-O0 -g -std=c99 -Wall -Wextra -Wpedantic -Wshadow'
             CPPFLAGS='-D_POSIX_C_SOURCE=200112L'
diff --git a/INSTALL.md b/INSTALL.md
index 8b3949c..d62984f 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -41,8 +41,8 @@ Build and Install
 
   Example shell script:
 
-    autoreconf -i
     mkdir build && cd build
+    autoreconf -i ..
     ../configure --prefix=${HOME}/.local
     make
     make install