diff --git a/pkgs/os-specific/linux/openvswitch/default.nix b/pkgs/os-specific/linux/openvswitch/default.nix
index 3fc597beaab3..664adfdc164c 100644
--- a/pkgs/os-specific/linux/openvswitch/default.nix
+++ b/pkgs/os-specific/linux/openvswitch/default.nix
@@ -1,4 +1,4 @@
 import ./generic.nix {
-  version = "3.0.3";
-  hash = "sha256-9QZlCnbx8s7737WD80NBIQLxcKvFXG/4dWd5Jrm9lGM=";
+  version = "3.1.1";
+  hash = "sha256-YEiRg6RNO5WlUiQHIhfF9tN6oRvhKnV2JRDO25Ok4gQ=";
 }
diff --git a/pkgs/os-specific/linux/openvswitch/generic.nix b/pkgs/os-specific/linux/openvswitch/generic.nix
index ff0238e51aba..be4bc90fe428 100644
--- a/pkgs/os-specific/linux/openvswitch/generic.nix
+++ b/pkgs/os-specific/linux/openvswitch/generic.nix
@@ -93,6 +93,9 @@ in stdenv.mkDerivation rec {
   '';
 
   doCheck = true;
+  preCheck = ''
+    patchShebangs tests/
+  '';
 
   nativeCheckInputs = [
     iproute2