diff --git a/pkgs/development/compilers/fpc/lazarus.nix b/pkgs/development/compilers/fpc/lazarus.nix
index 0b7ac647529d..5cd0609960df 100644
--- a/pkgs/development/compilers/fpc/lazarus.nix
+++ b/pkgs/development/compilers/fpc/lazarus.nix
@@ -9,7 +9,7 @@
 #  1. the build date is embedded in the binary through `$I %DATE%` - we should dump that
 
 let
-  version = "2.0.10-2";
+  version = "2.0.12";
 
   # as of 2.0.10 a suffix is being added. That may or may not disappear and then
   # come back, so just leave this here.
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://sourceforge/lazarus/Lazarus%20Zip%20_%20GZip/Lazarus%20${majorMinorPatch version}/lazarus-${version}.tar.gz";
-    sha256 = "sha256-ZNViZGjdJKMzKyBfOr0KWBq33hsGCi1X4hhkBmz9Q7c=";
+    sha256 = "sha256-umzvf4I6LSgWYimYLvySYDnUIxPEDiL+DGd2wT0AFbI=";
   };
 
   postPatch = ''