diff --git a/configure b/configure
index bc1de0f3..3d1970e8 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #!/bin/sh
-# This script was automatically generated by ACR v2.1.1
+# This script was automatically generated by ACR v2.1.2
 # @author: pancake <nopcode.org>
 # @url:    http://www.nopcode.org
 # @repo:   git clone https://github.com/radare/acr
@@ -93,8 +93,8 @@ create_environ() {
 : ${SBINDIR:="${PREFIX}/sbin"}
 : ${ETCDIR:="${SPREFIX}/etc"}
 : ${LIBDIR:="${SPREFIX}/lib"}
-: ${PKGCFG_LIBDIR:="\${exec_prefix}/lib"}
-: ${PKGCFG_INCDIR:="\${prefix}/include"}
+: ${PKGCFG_LIBDIR:='${exec_prefix}/lib'}
+: ${PKGCFG_INCDIR:='${prefix}/include'}
 : ${LIBEXECDIR:="${SPREFIX}/libexec"}
 : ${INCLUDEDIR:="${SPREFIX}/include"}
 : ${DATADIR:="${SPREFIX}/share"}
@@ -203,7 +203,7 @@ if [ "$QUIET" = 1 ]; then
 	echo "5.8.8"
 	exit 0
 fi
-echo "r2frida-5.8.8 configuration script done with acr v2.1.1.
+echo "r2frida-5.8.8 configuration script done with acr v2.1.2.
 The 'Free Software Foundation' message is only for autodetection.
 Originally written by pancake <nopcode.org>."
 exit 0
@@ -371,6 +371,7 @@ if [ $? = 0 ]; then
 else
 	R2_VERSION=""
 	echo "not found"
+echo 'required'; exit 1
 fi
 if [ -z "${PKGCONFIG}" ]; then pkg-config --version >/dev/null 2>&1 ; if [ 0 = 0 ]; then PKGCONFIG=pkg-config ; else PKGCONFIG=pkgconf ; fi; fi
 type ${PKGCONFIG} > /dev/null 2>&1 || echo "ERROR: Cannot find valid PKGCONFIG, pkg-config or pkgconf in PATH"
diff --git a/configure.acr b/configure.acr
index d29f94a8..a45d892d 100644
--- a/configure.acr
+++ b/configure.acr
@@ -1,12 +1,12 @@
 PKGNAME r2frida
-VERSION 5.8.8
+VERSION 5.8.9
 CONTACT pancake ; pancake@nowsecure.com
 
 USE_PKGCONFIG!
 
 LANG_C!
 
-EXEC R2_VERSION r2 -v ;
+EXEC! R2_VERSION r2 -v ;
 
 ARG_WITH PRECOMPILED_AGENT precompiled-agent do not require node/npm ;
 
diff --git a/make.bat b/make.bat
index d6a3ccaf..0a89507f 100644
--- a/make.bat
+++ b/make.bat
@@ -1,7 +1,7 @@
 @echo off
 setlocal EnableDelayedExpansion
 set frida_version=16.2.0
-set r2frida_version=5.8.8
+set r2frida_version=5.8.9
 if "%PLATFORM%" == "x64" (set frida_os_arch=x86_64) else (set frida_os_arch=x86)
 set DEBUG=/O2
 
diff --git a/src/agent/plugin.ts b/src/agent/plugin.ts
index 163055d9..422c6013 100644
--- a/src/agent/plugin.ts
+++ b/src/agent/plugin.ts
@@ -59,7 +59,7 @@ export interface R2FridaPlugin {
 }
 
 export const r2frida: R2FridaPlugin = {
-    version: "5.8.8",
+    version: "5.8.9",
     commandHandler: commandHandler,
     pluginRegister: pluginRegister,
     pluginUnregister: pluginUnregister,