diff --git a/Ccs/ccs_function_lib.py b/Ccs/ccs_function_lib.py
index 4743168f0be54aab28fef76632049d8ee3adb77c..f7a21512fdb2a34545a8125d940299afabef0dc6 100644
--- a/Ccs/ccs_function_lib.py
+++ b/Ccs/ccs_function_lib.py
@@ -27,6 +27,8 @@ from s2k_partypes import ptt, ptt_reverse, ptype_parameters, ptype_values
 import confignator
 import importlib
 
+import decompression
+
 
 cfg = confignator.get_config(check_interpolation=False)