diff -Nru java-common-0.74/debian/changelog java-common-0.74+nmu1+loong64/debian/changelog
--- java-common-0.74/debian/changelog	2023-01-11 22:12:21.000000000 +0000
+++ java-common-0.74+nmu1+loong64/debian/changelog	2023-09-05 08:36:37.000000000 +0000
@@ -1,3 +1,9 @@
+java-common (0.74+nmu1+loong64) UNRELEASED; urgency=medium
+
+  * Add loongarch support.
+
+ -- Meng Sang <sangmeng@loongson.cn>  Tue, 05 Sep 2023 08:36:37 +0000
+
 java-common (0.74) unstable; urgency=medium
 
   * Team upload.
diff -Nru java-common-0.74/debian/java_defaults.mk java-common-0.74+nmu1+loong64/debian/java_defaults.mk
--- java-common-0.74/debian/java_defaults.mk	2023-01-11 22:10:35.000000000 +0000
+++ java-common-0.74+nmu1+loong64/debian/java_defaults.mk	2023-09-05 08:25:41.000000000 +0000
@@ -3,7 +3,7 @@
 
 java17_architectures = \
 		alpha amd64 arm64 armel armhf i386 \
-		ia64 m68k mipsel mips64el \
+		ia64 loong64 m68k mipsel mips64el \
 		powerpc ppc64 ppc64el \
 		riscv64 s390x sh4 sparc64 x32
 java11_architectures = $(java17_architectures) \