diff --git a/debian/clapack.BUILD b/debian/clapack.BUILD
index b839fae..31e127e 100644
--- a/debian/clapack.BUILD
+++ b/debian/clapack.BUILD
@@ -297,6 +297,8 @@
             "-Wno-self-assign",
         ],
         "gcc": [
+            "-Wno-implicit-fallthrough",
+            "-Wno-array-bounds",
             "-Wno-discarded-qualifiers",
             "-Wno-maybe-uninitialized",
             "-Wno-unused-but-set-variable",
diff --git a/third_party/gmp/BUILD b/third_party/gmp/BUILD
index e4f7029..553fb8c 100644
--- a/third_party/gmp/BUILD
+++ b/third_party/gmp/BUILD
@@ -84,6 +84,7 @@
         "-Wno-maybe-uninitialized",
         "-Wno-empty-body",
         "-Wno-unused-but-set-variable",
+        "-Wno-implicit-fallthrough",
     ],
     "amd64": [],
 }) + config_include_from_architecture(architecture_paths)