diff --git a/mesa_models/colors.py b/mesa_models/colors.py
index fdba5d2..e7fb59d 100644
--- a/mesa_models/colors.py
+++ b/mesa_models/colors.py
@@ -13,10 +13,10 @@
 
 ierr = 0
 
-fnames = np.array([os.path.join(pym.DATA_DIR,'colors','lcb98cor.dat')],dtype='S')
+fnames = np.array(['lcb98cor.dat'],dtype='S')
 
-# Currently broken in gfort2py
-col_lib.colors_init(len(fnames),fnames,11,ierr)
+# Needs gfort2py >=2.2.1
+col_lib.colors_init(len(fnames),fnames,np.array([11]),ierr)
 
 
 
diff --git a/requirements.txt b/requirements.txt
index 552291c..dbda4c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-gfort2py>=2.0.0
\ No newline at end of file
+gfort2py>=2.2.1