diff --git a/pkgs/tools/networking/socat/2.0.0-b1.nix b/pkgs/tools/networking/socat/2.0.0-b3.nix
similarity index 86%
rename from pkgs/tools/networking/socat/2.0.0-b1.nix
rename to pkgs/tools/networking/socat/2.0.0-b3.nix
index 4e4b626e8c3a..098a2d241df0 100644
--- a/pkgs/tools/networking/socat/2.0.0-b1.nix
+++ b/pkgs/tools/networking/socat/2.0.0-b3.nix
@@ -2,8 +2,8 @@ args : with args;
 rec {
   src = /* Here a fetchurl expression goes */
         fetchurl {
-            url = http://www.dest-unreach.org/socat/download/socat-2.0.0-b1.tar.bz2;
-            sha256 = "0ybd5fw22icl10r33k987rskh9gvysm1jph90a1pfdjj57cy44fk";
+            url = http://www.dest-unreach.org/socat/download/socat-2.0.0-b3.tar.bz2;
+            sha256 = "0p4v8m898dzcardsw02xdda3y3b1rky7v956rm27x43783w5qmsx";
         };
 
   buildInputs = [openssl];