diff --git a/build.sh b/build.sh
index 52967e3..af65997 100755
--- a/build.sh
+++ b/build.sh
@@ -8,13 +8,14 @@ if [ -z "$CXXFLAGS" ]; then
 fi
 CXX_WITH_FLAGS="$CXX $CXXFLAGS"
 
-# `.cpp` files in src/lib will be automatically picked up and compiled into dynamic libraries.
+# `.cpp` files in src/lib will be automatically picked up and compiled into
+# dynamically linked libraries.
 echo "Building libs..."
 mkdir -pv bin/lib
 for lib in $(find ./src/lib -name "*.cpp"); do
     COMPILE_COMMAND="$CXX_WITH_FLAGS -shared -o $(sed -e 's/^.\/src/.\/bin/;s/cpp$/so/' <<< $lib) $lib"
     echo $COMPILE_COMMAND
-    $COMPILE_COMMAND
+    $COMPILE_COMMAND &
 done
 
 
@@ -35,6 +36,6 @@ mkdir -pv bin/tools
 # add compile commands to this variable
 COMPILE_COMMANDS="
 set -v
-$CXX_WITH_FLAGS src/tools/dumpnbt.cpp -Lbin/lib -lnbt -o bin/tools/dumpnbt
+$CXX_WITH_FLAGS src/tools/dumpnbt.cpp -Lbin/lib -lnbt -o bin/tools/dumpnbt &
 "
 sh <<< $COMPILE_COMMANDS