diff --git a/debian/control b/debian/control
index 1d7d6252..6ef2fb2f 100644
--- a/debian/control
+++ b/debian/control
@@ -933,7 +933,7 @@ Description: Post-link optimizer
 Package: flang-17
 # no 32bit support
 # https://github.com/llvm/llvm-project/issues/59845
-Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64
+Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64 loong64
 Depends: ${shlibs:Depends}, ${misc:Depends}, ${dep:devlibs}, libflang-17-dev (= ${binary:Version}),
 Provides: fortran-compiler, gfortran-mod-15
 Description: Fortran compiler
@@ -944,7 +944,7 @@ Description: Fortran compiler
  of examples, some functionalities are still missing.
 
 Package: libflang-17-dev
-Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64
+Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64 loong64
 Section: libdevel
 Depends: ${shlibs:Depends}, ${misc:Depends}, ${dep:devlibs},
 Description: Flang library - Development package
diff --git a/debian/control.in b/debian/control.in
index ee73ffe8..012f6ce3 100644
--- a/debian/control.in
+++ b/debian/control.in
@@ -933,7 +933,7 @@ Description: Post-link optimizer
 Package: flang-@LLVM_VERSION@
 # no 32bit support
 # https://github.com/llvm/llvm-project/issues/59845
-Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64
+Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64 loong64
 Depends: ${shlibs:Depends}, ${misc:Depends}, ${dep:devlibs}, libflang-@LLVM_VERSION@-dev (= ${binary:Version}),
 Provides: fortran-compiler, gfortran-mod-15
 Description: Fortran compiler
@@ -944,7 +944,7 @@ Description: Fortran compiler
  of examples, some functionalities are still missing.
 
 Package: libflang-@LLVM_VERSION@-dev
-Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64
+Architecture: amd64 arm64 mips64el ppc64el kfreebsd-amd64 ppc64 sparc64 riscv64 loong64
 Section: libdevel
 Depends: ${shlibs:Depends}, ${misc:Depends}, ${dep:devlibs},
 Description: Flang library - Development package