diff --git a/changelog b/changelog
index 584db19e0..2e5445175 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,14 @@
+libreoffice (4:26.2.4.2-2) UNRELEASED; urgency=medium
+
+  * debian/rules:
+    - work around #1138710 and call strip-nondeterminism manually on .zips to
+      fix reproducability "regression" due to file not detecting the .zips as
+      .zips
+    - work around #1136323 and call strip-nondeterminism manually on LO files
+      not being .zip but in  zip format (bau, dat, so(b|p)
+
+ -- Rene Engelhard <rene@debian.org>  Sat, 06 Jun 2026 08:22:34 +0200
+
 libreoffice (4:26.2.4.2-1) unstable; urgency=medium
 
   * New upstream release candidate (26.2.4 rc2)
diff --git a/control b/control
index f8ec0a76b..9162de9a5 100644
--- a/control
+++ b/control
@@ -261,6 +261,7 @@ Build-Depends-Indep: ant [!armel !armhf !hppa !ia64 !mips64 !ppc64el !s390x !spa
                      node-normalize.css,
                      node-prismjs,
                      rdfind,
+                     strip-nondeterminism,
                      symlinks
 Build-Conflicts: amd-libopencl1,
                  clang [alpha hppa ia64 m68k mips mipsel mips64 mips64el powerpc ppc64 s390x sparc sparc64],
@@ -272,7 +273,7 @@ Standards-Version: 4.0.1
 Rules-Requires-Root: no
 Vcs-Git: https://salsa.debian.org/libreoffice-team/libreoffice/libreoffice.git
 Vcs-Browser: https://salsa.debian.org/libreoffice-team/libreoffice/libreoffice
-Bugs: 
+Bugs: mailto:debian-openoffice@lists.debian.org
 Homepage: http://www.libreoffice.org
 
 Package: libreoffice
diff --git a/rules b/rules
index 09d2c4b88..6dbd849c8 100755
--- a/rules
+++ b/rules
@@ -115,6 +115,7 @@ BUILD_DEPS=\
     zlib1g-dev\
 
 BUILD_DEPS_INDEP += rdfind, symlinks
+BUILD_DEPS_INDEP += , strip-nondeterminism
 
 # These are components which can be built from internal copies, or used from the
 # distribution. See configure --help for valid values (--with-system-<value>).
@@ -4933,6 +4934,17 @@ ifeq "$(INSTALL_APPARMOR_PROFILES)" "y"
 endif
 	dh_compress -i -X.py -X.mk -X.sxd -X.xcd.sample
 	dh_strip_nondeterminism -i
+	# work around #1138710
+	for p in $(ARCH_INDEP_PACKAGES); do \
+		for f in `find debian/$$p -name "*.zip" -type f`; do \
+			strip-nondeterminism -T $(SOURCE_DATE_EPOCH) -t zip $$f; done; \
+	done
+	# work around #1136323
+	for p in $(ARCH_INDEP_PACKAGES); do \
+		for f in `find debian/$$p -name "*.bau" -o -name "*.dat" \
+			-o -name "*.sob" -o -name "*.sop" -type f`; do \
+			strip-nondeterminism -T $(SOURCE_DATE_EPOCH) -t zip $$f; done; \
+	done
 	dh_installdeb -i
 ifeq "$(ENABLE_JAVA)" "y"
 	for p in $(ARCH_INDEP_PACKAGES); do \