diff --git a/swig/grgsm_swig.i b/swig/grgsm_swig.i
index d86226c..529a5f8 100644
--- a/swig/grgsm_swig.i
+++ b/swig/grgsm_swig.i
@@ -9,9 +9,10 @@
 
 %{
 #include "grgsm/receiver/receiver.h"
+#include "grgsm/decoding/control_channels_decoder.h"
+#include "grgsm/decryption/decryption.h"
 #include "grgsm/demapping/get_bcch_or_ccch_bursts.h"
 #include "grgsm/demapping/universal_ctrl_chans_demapper.h"
-#include "grgsm/decoding/control_channels_decoder.h"
 #include "grgsm/misc_utils/bursts_printer.h"
 #include "grgsm/misc_utils/controlled_const_source_f.h"
 #include "grgsm/misc_utils/controlled_rotator_cc.h"
@@ -26,6 +27,9 @@
 %include "grgsm/decoding/control_channels_decoder.h"
 GR_SWIG_BLOCK_MAGIC2(gsm, control_channels_decoder);
 
+%include "grgsm/decryption/decryption.h"
+GR_SWIG_BLOCK_MAGIC2(gsm, decryption);
+
 %include "grgsm/demapping/get_bcch_or_ccch_bursts.h"
 GR_SWIG_BLOCK_MAGIC2(gsm, get_bcch_or_ccch_bursts);
 %include "grgsm/demapping/universal_ctrl_chans_demapper.h"