diff --git a/projects/flixel-desktop-habit-puzzle-game/requirements.hxml b/projects/flixel-desktop-habit-puzzle-game/requirements.hxml
new file mode 100644
index 00000000..8593b31f
--- /dev/null
+++ b/projects/flixel-desktop-habit-puzzle-game/requirements.hxml
@@ -0,0 +1 @@
+-lib datetime
\ No newline at end of file
diff --git a/test-project.sh b/test-project.sh
index 87eef0a9..7d648314 100755
--- a/test-project.sh
+++ b/test-project.sh
@@ -4,6 +4,7 @@ KISS_PROJECT=${KISS_PROJECT:-$1}
 KISS_PROJECT=${KISS_PROJECT:-aoc}
 
 ./test-env.sh
+(cd projects/$KISS_PROJECT && haxelib install all --always)
 
 # If project folder contains "flixel-", test that its code compiles for HTML5 and C++
 if [[ $KISS_PROJECT == *flixel-* ]]
@@ -34,6 +35,5 @@ then
     fi
 # Test other projects with their test.sh file
 else
-    (cd projects/$KISS_PROJECT && haxelib install all --always)
     (cd projects/$KISS_PROJECT && ./test.sh "${@:2}")
 fi
\ No newline at end of file