diff --git a/build.sh b/build.sh
index 9eb152298148e36594c9fd31b15d1ff294428284..37ce2bad11725c44a63ff048170efeb70bb8d359 100755
--- a/build.sh
+++ b/build.sh
@@ -43,7 +43,7 @@ then
 fi
 
 # Clean directory
-rm -rf build bin
+sudo rm -rf build bin
 
 # Build project
 mkdir build bin
diff --git a/src/parsers b/src/parsers
index d052494c48b97becbd08b114bafa58f59471f567..77f8de053c964fad4d9c0367f425aa14c0ae7880 160000
--- a/src/parsers
+++ b/src/parsers
@@ -1 +1 @@
-Subproject commit d052494c48b97becbd08b114bafa58f59471f567
+Subproject commit 77f8de053c964fad4d9c0367f425aa14c0ae7880