diff --git a/VERSION b/VERSION
index ab679818c..314c3d717 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.6
\ No newline at end of file
+1.1.5
\ No newline at end of file
diff --git a/build-api7ee-runtime.sh b/build-api7ee-runtime.sh
index 1d8243e7f..43d33c86d 100755
--- a/build-api7ee-runtime.sh
+++ b/build-api7ee-runtime.sh
@@ -27,6 +27,7 @@ mod_dubbo_ver="1.0.2"
 apisix_nginx_module_ver="1.16.3"
 wasm_nginx_module_ver="0.6.5"
 lua_var_nginx_module_ver="v0.5.3"
+grpc_client_nginx_module_ver="v0.4.4"
 lua_resty_events_ver="0.2.0"
 
 
@@ -129,6 +130,13 @@ else
         lua-var-nginx-module-${lua_var_nginx_module_ver}
 fi
 
+if [ "$repo" == grpc-client-nginx-module ]; then
+    cp -r "$prev_workdir" ./grpc-client-nginx-module-${grpc_client_nginx_module_ver}
+else
+    git clone --depth=1 -b $grpc_client_nginx_module_ver \
+        https://github.com/api7/grpc-client-nginx-module \
+        grpc-client-nginx-module-${grpc_client_nginx_module_ver}
+fi
 
 cd ngx_multi_upstream_module-${ngx_multi_upstream_module_ver} || exit 1
 ./patch.sh ../openresty-${OPENRESTY_VERSION}
@@ -142,9 +150,11 @@ cd wasm-nginx-module-${wasm_nginx_module_ver} || exit 1
 ./install-wasmtime.sh
 cd ..
 
-
 luajit_xcflags=${luajit_xcflags:="-DLUAJIT_NUMMODE=2 -DLUAJIT_ENABLE_LUA52COMPAT"}
 no_pool_patch=${no_pool_patch:-}
+# TODO: remove old NGX_HTTP_GRPC_CLI_ENGINE_PATH once we have released a new
+# version of grpc-client-nginx-module
+grpc_engine_path="-DNGX_GRPC_CLI_ENGINE_PATH=$OR_PREFIX/libgrpc_engine.so -DNGX_HTTP_GRPC_CLI_ENGINE_PATH=$OR_PREFIX/libgrpc_engine.so"
 
 cd openresty-${OPENRESTY_VERSION} || exit 1
 
@@ -162,7 +172,7 @@ fi
 
 
 ./configure --prefix="$OR_PREFIX" \
-    --with-cc-opt="-DAPI7EE_RUNTIME_VER=$runtime_version $cc_opt" \
+    --with-cc-opt="-DAPI7EE_RUNTIME_VER=$runtime_version $grpc_engine_path $cc_opt" \
     --with-ld-opt="-Wl,-rpath,$OR_PREFIX/wasmtime-c-api/lib $ld_opt" \
     $debug_args \
     --add-module=../mod_dubbo-${mod_dubbo_ver} \
@@ -172,6 +182,7 @@ fi
     --add-module=../apisix-nginx-module-${apisix_nginx_module_ver}/src/meta \
     --add-module=../wasm-nginx-module-${wasm_nginx_module_ver} \
     --add-module=../lua-var-nginx-module-${lua_var_nginx_module_ver} \
+    --add-module=../grpc-client-nginx-module-${grpc_client_nginx_module_ver} \
     --add-module=../lua-resty-events-${lua_resty_events_ver} \
     --with-poll_module \
     --with-pcre-jit \
@@ -222,6 +233,10 @@ cd wasm-nginx-module-${wasm_nginx_module_ver} || exit 1
 sudo OPENRESTY_PREFIX="$OR_PREFIX" make install
 cd ..
 
+cd grpc-client-nginx-module-${grpc_client_nginx_module_ver} || exit 1
+sudo OPENRESTY_PREFIX="$OR_PREFIX" make install
+cd ..
+
 # package etcdctl
 ETCD_ARCH="amd64"
 ETCD_VERSION=${ETCD_VERSION:-'3.5.4'}