1 files changed, 2 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/tools/parsing/bison/default.nix b/nixpkgs/pkgs/development/tools/parsing/bison/default.nix
index ca422f931da0..aa8d8df2c1d1 100644
--- a/nixpkgs/pkgs/development/tools/parsing/bison/default.nix
+++ b/nixpkgs/pkgs/development/tools/parsing/bison/default.nix
@@ -7,11 +7,11 @@
 
 stdenv.mkDerivation rec {
   pname = "bison";
-  version = "3.7.1";
+  version = "3.7.4";
 
   src = fetchurl {
     url = "mirror://gnu/${pname}/${pname}-${version}.tar.gz";
-    sha256 = "04vx6sah3bnr3a5n9knw306sb3y41pjfl7k9ihbsimghkj1m5n8x";
+    sha256 = "1qkp2rfi5njyp5c5avajab00aj74pkmkgzkvshv4p2ydkhswgazv";
   };
 
   nativeBuildInputs = [ m4 perl ] ++ stdenv.lib.optional stdenv.isSunOS help2man;