diff -Nru libu2f-host-1.1.10/debian/changelog libu2f-host-1.1.10/debian/changelog
--- libu2f-host-1.1.10/debian/changelog	2019-07-13 11:35:42.000000000 +0000
+++ libu2f-host-1.1.10/debian/changelog	2020-08-02 01:32:44.000000000 +0000
@@ -1,3 +1,9 @@
+libu2f-host (1.1.10-1+rpi1) bullseye-staging; urgency=medium
+
+  * Apply patch from bts for new json-c (Closes: 986602)
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Sun, 02 Aug 2020 01:32:44 +0000
+
 libu2f-host (1.1.10-1) unstable; urgency=high (security fix)
 
   [ Nicolas Braud-Santoni ]
diff -Nru libu2f-host-1.1.10/debian/patches/new-jsonc.patch libu2f-host-1.1.10/debian/patches/new-jsonc.patch
--- libu2f-host-1.1.10/debian/patches/new-jsonc.patch	1970-01-01 00:00:00.000000000 +0000
+++ libu2f-host-1.1.10/debian/patches/new-jsonc.patch	2020-08-02 01:31:55.000000000 +0000
@@ -0,0 +1,22 @@
+Description: Patch to make it build with newer json-c deprecated TRUE/FALSE defines
+
+Author: Gianfranco Costamagna <locutusofborg@debian.org>
+Last-Update: 2020-07-31
+
+--- libu2f-host-1.1.10.orig/u2f-host/u2fmisc.c
++++ libu2f-host-1.1.10/u2f-host/u2fmisc.c
+@@ -26,6 +26,14 @@
+ #define HID_TIMEOUT 2
+ #define HID_MAX_TIMEOUT 4096
+
++// not exported anymore by new json-c
++#ifndef TRUE
++#define TRUE 1
++#endif
++#ifndef FALSE
++#define FALSE 0
++#endif
++
+ #ifdef HAVE_JSON_OBJECT_OBJECT_GET_EX
+ #define u2fh_json_object_object_get(obj, key, value) json_object_object_get_ex(obj, key, &value)
+ #else
diff -Nru libu2f-host-1.1.10/debian/patches/series libu2f-host-1.1.10/debian/patches/series
--- libu2f-host-1.1.10/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ libu2f-host-1.1.10/debian/patches/series	2020-08-02 01:32:24.000000000 +0000
@@ -0,0 +1 @@
+new-jsonc.patch