diff --git a/pkgs/development/tools/haskell/uuagc/bootstrap.nix b/pkgs/development/tools/haskell/uuagc/bootstrap.nix
index 33b4f4809125..2110f2582291 100644
--- a/pkgs/development/tools/haskell/uuagc/bootstrap.nix
+++ b/pkgs/development/tools/haskell/uuagc/bootstrap.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "uuagc-bootstrap";
-  version = "0.9.39.0.0";
-  sha256 = "1ds98nif6naafgf6vgf19nmwx5gbhz88gsh2zyxc4d4iqb0z5drv";
+  version = "0.9.39.1.0";
+  sha256 = "06w330j0nds5piv1rr3m6m1idnf0c5swfk9qwdqzi0pmpws6lpkj";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [ haskellSrcExts mtl uulib ];