diff --git a/app/build.gradle b/app/build.gradle
index 08fa910..0525dc5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 130
-        versionName "1.8.0 'BulletBroof'"
+        versionCode 131
+        versionName "1.8.1 'Bullets And Octane-Pirates'"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
diff --git a/external-libs/script/monero-build.sh b/external-libs/script/monero-build.sh
index ad1902d..4d50aa3 100755
--- a/external-libs/script/monero-build.sh
+++ b/external-libs/script/monero-build.sh
@@ -92,7 +92,7 @@ for arch in ${archs[@]}; do
     TARGET_INC_DIR=$lib_root/monero/include
     rm -rf $TARGET_INC_DIR
     mkdir -p $TARGET_INC_DIR
-    cp -a src/wallet/api/wallet2_api.h $TARGET_INC_DIR
+    cp -a $base_dir/src/wallet/api/wallet2_api.h $TARGET_INC_DIR
     
     cd $base_dir
 done
diff --git a/external-libs/script/monero-fetch.sh b/external-libs/script/monero-fetch.sh
index 1a7d6d5..1151cb9 100755
--- a/external-libs/script/monero-fetch.sh
+++ b/external-libs/script/monero-fetch.sh
@@ -7,7 +7,7 @@ source script/env.sh
 cd $EXTERNAL_LIBS_BUILD_ROOT
 
 url="https://github.com/m2049r/monero"
-version="release-v0.13-prep"
+version="release-v0.13.0-monerujo"
 
 if [ ! -d "monero" ]; then
   git clone ${url} -b ${version}
@@ -15,6 +15,6 @@ if [ ! -d "monero" ]; then
   git submodule update --recursive --init
 else
   cd monero
-  git submodule update --recursive
   git checkout ${version}
+  git submodule update --recursive --init
 fi