diff --git a/pkgs/development/guile-modules/guile-fibers/default.nix b/pkgs/development/guile-modules/guile-fibers/default.nix
index ccc51a5a7691..606162ab94c0 100644
--- a/pkgs/development/guile-modules/guile-fibers/default.nix
+++ b/pkgs/development/guile-modules/guile-fibers/default.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation rec {
   pname = "guile-fibers";
-  version = "1.0.0";
+  version = "1.1.1";
 
   src = fetchFromGitHub {
     owner = "wingo";
     repo = "fibers";
     rev = "v${version}";
-    hash = "sha256-kU/ty/XRNfv3ubIwH40wZmo8MXApeduHcH2KEGqoh+Q=";
+    hash = "sha256-jEY6i+uTqDkXZKdpK+/GRLlK7aJxkRneVZQJIE4bhlI=";
   };
 
   nativeBuildInputs = [