diff -Nru intel-mkl-2020.4.304/debian/changelog intel-mkl-2020.4.304/debian/changelog
--- intel-mkl-2020.4.304/debian/changelog	2021-01-14 11:06:52.000000000 +0000
+++ intel-mkl-2020.4.304/debian/changelog	2021-02-11 05:41:53.000000000 +0000
@@ -1,3 +1,10 @@
+intel-mkl (2020.4.304-2) unstable; urgency=medium
+
+  * Make auto-generated lintian overrides reproducible. (Closes: #980518)
+  * Move threading deps from Depends to Recommends.
+
+ -- Mo Zhou <lumin@debian.org>  Thu, 11 Feb 2021 13:41:53 +0800
+
 intel-mkl (2020.4.304-1) unstable; urgency=medium
 
   * New upstream release 2020.4.304
diff -Nru intel-mkl-2020.4.304/debian/control intel-mkl-2020.4.304/debian/control
--- intel-mkl-2020.4.304/debian/control	2020-10-04 13:30:52.000000000 +0000
+++ intel-mkl-2020.4.304/debian/control	2021-02-11 05:41:23.000000000 +0000
@@ -228,8 +228,13 @@
          pkg-config,
          libblas-dev | libblas.so,
          liblapack-dev | liblapack.so,
-         libomp-dev | libomp-8-dev | libomp-9-dev | libomp-10-dev | libomp-11-dev | libomp-12-dev | libomp-13-dev | libomp-14-dev | libomp-x.y-dev,
-         libgcc-8-dev | libgcc-9-dev | libgcc-10-dev | libgcc-11-dev | libgcc-12-dev | libtbb-dev,
+Recommends:
+# for iomp (but its debian packaging is not multi-arch installable
+         libomp-dev | libomp-11-dev | libomp-12-dev | libomp-13-dev | libomp-14-dev | libomp-x.y-dev,
+# for gomp
+         libgcc-10-dev | libgcc-11-dev | libgcc-12-dev,
+# for tbb
+         libtbb-dev
 Enhances: libblas.so, libblas64.so,
           liblapack.so, liblapack64.so,
 Suggests: intel-mkl-doc         (= ${source:Version}),
@@ -328,8 +333,13 @@
          libmkl-locale (= ${binary:Version}),
          libblas3 | libblas.so.3,
          liblapack3 | liblapack.so.3,
-         libomp-dev | libomp-8-dev | libomp-9-dev | libomp-10-dev | libomp-11-dev | libomp-12-dev | libomp-13-dev | libomp-14-dev | libomp-x.y-dev,
-         libgcc-8-dev | libgcc-9-dev | libgcc-10-dev | libgcc-11-dev | libgcc-12-dev | libtbb-dev,
+Recommends:
+# for iomp (but its debian packaging is not multi-arch installable
+         libomp-dev | libomp-11-dev | libomp-12-dev | libomp-13-dev | libomp-14-dev | libomp-x.y-dev,
+# for gomp
+         libgcc-10-dev | libgcc-11-dev | libgcc-12-dev,
+# for tbb
+         libtbb-dev
 Enhances: libblas.so.3, libblas64.so.3,
           liblapack.so.3, liblapack64.so.3,
 Description: Intel® MKL: Single Dynamic Library (SDL)
diff -Nru intel-mkl-2020.4.304/debian/control.py intel-mkl-2020.4.304/debian/control.py
--- intel-mkl-2020.4.304/debian/control.py	2020-10-04 11:07:23.000000000 +0000
+++ intel-mkl-2020.4.304/debian/control.py	2021-02-11 05:11:08.000000000 +0000
@@ -233,8 +233,7 @@
     '''
     Write a lintian override file for specified package
     '''
-    __file = __file__
-    overrides = [f'# Automatically overridden by {__file}'] + overrides
+    overrides = [f'# Automatically overridden by debian/control.py'] + overrides
     print(f'lintian overrides for {package} ...')
     with open(f'debian/{package}.lintian-overrides', 'a') as f:
         f.writelines(x + '\n' for x in overrides)