diff -Nru clog-1.3.0/debian/changelog clog-1.3.0/debian/changelog
--- clog-1.3.0/debian/changelog	2020-03-23 07:11:32.000000000 +0100
+++ clog-1.3.0/debian/changelog	2023-09-05 22:53:13.000000000 +0200
@@ -1,3 +1,9 @@
+clog (1.3.0-1.1) unstable; urgency=medium
+
+  * Fix FTBFS with gcc13 (Closes: #1037606)
+
+ -- Jonathan Bergh <bergh.jonathan@gmail.com>  Tue, 05 Sep 2023 22:53:13 +0200
+
 clog (1.3.0-1build1) focal; urgency=medium
 
   * No-change rebuild for libgcc-s1 package name change.
diff -Nru clog-1.3.0/debian/patches/100-include-cstdint clog-1.3.0/debian/patches/100-include-cstdint
--- clog-1.3.0/debian/patches/100-include-cstdint	1970-01-01 01:00:00.000000000 +0100
+++ clog-1.3.0/debian/patches/100-include-cstdint	2023-09-05 22:53:13.000000000 +0200
@@ -0,0 +1,12 @@
+Index: clog-1.3.0/src/libshared/src/JSON2.h
+===================================================================
+--- clog-1.3.0.orig/src/libshared/src/JSON2.h
++++ clog-1.3.0/src/libshared/src/JSON2.h
+@@ -28,6 +28,7 @@
+ #define INCLUDED_JSON2
+ 
+ #include <string>
++#include <cstdint>
+ 
+ class JSON2
+ {
diff -Nru clog-1.3.0/debian/patches/series clog-1.3.0/debian/patches/series
--- clog-1.3.0/debian/patches/series	2016-07-08 00:01:34.000000000 +0200
+++ clog-1.3.0/debian/patches/series	2023-09-05 22:53:13.000000000 +0200
@@ -1 +1,2 @@
 FixManMinusSign.diff
+100-include-cstdint
diff -Nru clog-1.3.0/debian/rules clog-1.3.0/debian/rules
--- clog-1.3.0/debian/rules	2016-07-08 00:11:44.000000000 +0200
+++ clog-1.3.0/debian/rules	2023-09-05 22:53:13.000000000 +0200
@@ -4,9 +4,11 @@
 TMP     = $(CURDIR)/debian/$(PACKAGE)
 
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+export DEB_CXXFLAGS_MAINT_APPEND = -std=c++11
+export DEB_CFLAGS_MAINT_APPEND = -std=c++11
 
 %:
-	dh $@ 
+	dh $@
 
 override_dh_auto_install:
 	cp $(CURDIR)/doc/man/clog.1.in debian/clog.1