diff --git a/debian/patches/series b/debian/patches/series
index 1730a18..c15adff 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1 +1,2 @@
 debian/0001-rssm-shebang.patch
+upstream/0001-time64.patch
diff --git a/debian/patches/upstream/0001-time64.patch b/debian/patches/upstream/0001-time64.patch
new file mode 100644
index 0000000..63b009e
--- /dev/null
+++ b/debian/patches/upstream/0001-time64.patch
@@ -0,0 +1,90 @@
+From 0f8e75aff4ae7c01c27a6aacc580be25b0e0c971 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jerry=20Lundstr=C3=B6m?= <lundstrom.jerry@gmail.com>
+Date: Tue, 22 Apr 2025 09:50:50 +0200
+Subject: [PATCH] .
+
+---
+ src/dnscap.h  |  6 ++++++
+ src/dumper.c  |  2 +-
+ src/network.c | 10 +++++-----
+ 3 files changed, 12 insertions(+), 6 deletions(-)
+
+diff --git a/src/dnscap.h b/src/dnscap.h
+index d339ff1..bede3c3 100644
+--- a/src/dnscap.h
++++ b/src/dnscap.h
+@@ -204,6 +204,12 @@
+ #define MAX_TCP_WINDOW (0xFFFF << 14)
+ #define MEM_MAX 20000000000 /* SETTING MAX MEMORY USAGE TO 2GB */
+ 
++#if _TIME_BITS == 64
++#define PRI_tv_usec "lld"
++#else
++#define PRI_tv_usec "ld"
++#endif
++
+ #define ISC_CHECK_NONE 1
+ #include "isc/list.h"
+ #include "isc/assertions.h"
+diff --git a/src/dumper.c b/src/dumper.c
+index 68783e7..b1e6c9a 100644
+--- a/src/dumper.c
++++ b/src/dumper.c
+@@ -198,7 +198,7 @@ int dumper_open(my_bpftimeval ts)
+ 
+         gmtime_r((time_t*)&ts.tv_sec, &tm);
+         strftime(sbuf, 64, "%Y%m%d.%H%M%S", &tm);
+-        if (asprintf(&dumpname, "%s.%s.%06ld%s",
++        if (asprintf(&dumpname, "%s.%s.%06" PRI_tv_usec "%s",
+                 dump_base, sbuf,
+                 ts.tv_usec, dump_suffix ? dump_suffix : "")
+                 < 0
+diff --git a/src/network.c b/src/network.c
+index f0a6238..6b20c55 100644
+--- a/src/network.c
++++ b/src/network.c
+@@ -207,7 +207,7 @@ void layer_pkt(u_char* user, const pcap_thread_packet_t* packet, const u_char* p
+         }
+ 
+         if (vlan != MAX_VLAN) {
+-            snprintf(descr, sizeof(descr), "[%zu] %s.%06ld [#%zd %s (vlan %u) %u] \\\n",
++            snprintf(descr, sizeof(descr), "[%zu] %s.%06" PRI_tv_usec " [#%zd %s (vlan %u) %u] \\\n",
+                 len,
+                 when,
+                 firstpkt->pkthdr.ts.tv_usec,
+@@ -216,7 +216,7 @@ void layer_pkt(u_char* user, const pcap_thread_packet_t* packet, const u_char* p
+                 vlan,
+                 vlan);
+         } else {
+-            snprintf(descr, sizeof(descr), "[%zu] %s.%06ld [#%zd %s %u] \\\n",
++            snprintf(descr, sizeof(descr), "[%zu] %s.%06" PRI_tv_usec " [#%zd %s %u] \\\n",
+                 len,
+                 when,
+                 firstpkt->pkthdr.ts.tv_usec,
+@@ -437,7 +437,7 @@ void dl_pkt(u_char* user, const struct pcap_pkthdr* hdr, const u_char* pkt, cons
+         } else {
+             viap = "\"some interface\"";
+         }
+-        snprintf(descr, sizeof(descr), "[%zu] %s.%06ld [#%zu %s %u] \\\n",
++        snprintf(descr, sizeof(descr), "[%zu] %s.%06" PRI_tv_usec " [#%zu %s %u] \\\n",
+             len, when, hdr->ts.tv_usec, msgcount, viap, vlan);
+     } else {
+         descr[0] = '\0';
+@@ -725,7 +725,7 @@ void network_pkt2(const char* descr, my_bpftimeval ts, const pcap_thread_packet_
+ 
+         tcpstate = tcpstate_find(from, to, sport, dport, ts.tv_sec);
+         if (dumptrace >= 3) {
+-            fprintf(stderr, "%s: tcp pkt: %" PRIdMAX ".%06ld [%4zu] %15s -> ",
++            fprintf(stderr, "%s: tcp pkt: %" PRIdMAX ".%06" PRI_tv_usec " [%4zu] %15s -> ",
+                 ProgramName,
+                 (intmax_t)ts.tv_sec,
+                 ts.tv_usec,
+@@ -1327,7 +1327,7 @@ void network_pkt(const char* descr, my_bpftimeval ts, unsigned pf,
+ 
+         tcpstate = tcpstate_find(from, to, sport, dport, ts.tv_sec);
+         if (dumptrace >= 3) {
+-            fprintf(stderr, "%s: tcp pkt: %" PRIdMAX ".%06ld [%4zu] ", ProgramName,
++            fprintf(stderr, "%s: tcp pkt: %" PRIdMAX ".%06" PRI_tv_usec " [%4zu] ", ProgramName,
+                 (intmax_t)ts.tv_sec, ts.tv_usec, len);
+             fprintf(stderr, "%15s -> ", ia_str(from));
+             fprintf(stderr, "%15s; ", ia_str(to));