--- brltty-6.6/Bindings/Java/Makefile.in	2024-09-26 17:16:12.903477065 +0200
+++ brltty-6.6/Bindings/Java/Makefile.in	2024-09-26 17:17:37.427440398 +0200
@@ -52,7 +52,8 @@
 jar: $(JAVA_JAR_FILE)
 
 $(JAVA_JAR_FILE): classes.made
-	$(JAR) cfm $@ $(SRC_DIR)/manifest -C classes .
+	$(JAR) --date="$$(date -u -d @$${SOURCE_DATE_EPOCH:-$$(date +%s)} +%Y-%m-%dT%H:%M:%SZ)" \
+        --create --file=$@ --manifest=$(SRC_DIR)/manifest -C classes .
 
 JAVAC_LINT_OPTIONS = cast,deprecation,fallthrough,finally,overrides,rawtypes,unchecked