diff --git a/pkgs/development/tools/misc/cl-launch/default.nix b/pkgs/development/tools/misc/cl-launch/default.nix
index 085af9df3a39..ffa56aaa9a06 100644
--- a/pkgs/development/tools/misc/cl-launch/default.nix
+++ b/pkgs/development/tools/misc/cl-launch/default.nix
@@ -3,11 +3,11 @@ let
   s = # Generated upstream information
   rec {
     baseName="cl-launch";
-    version="4.1";
+    version="4.1.1";
     name="${baseName}-${version}";
-    hash="0fmxa8013sgxmbfmh1wqffywg72zynzlw5yyrdvy9qpx1my36pwb";
-    url="http://common-lisp.net/project/xcvb/cl-launch/cl-launch-4.1.tar.gz";
-    sha256="0fmxa8013sgxmbfmh1wqffywg72zynzlw5yyrdvy9qpx1my36pwb";
+    hash="1nimbv1ms7fcikx8y6dxrzdm63psf4882z5kjr6qdyarqz6gaq20";
+    url="http://common-lisp.net/project/xcvb/cl-launch/cl-launch-4.1.1.tar.gz";
+    sha256="1nimbv1ms7fcikx8y6dxrzdm63psf4882z5kjr6qdyarqz6gaq20";
   };
   buildInputs = [
   ];