diff --git a/pkgs/development/tools/misc/cl-launch/default.nix b/pkgs/development/tools/misc/cl-launch/default.nix
index 8aedd8a6159b..5d7da48ccede 100644
--- a/pkgs/development/tools/misc/cl-launch/default.nix
+++ b/pkgs/development/tools/misc/cl-launch/default.nix
@@ -5,9 +5,9 @@ let
     baseName="cl-launch";
     version="4.0.2.2";
     name="${baseName}-${version}";
-    hash="068bq66az3qhwgaxi9mx7f80396jilmd3zf4d3qamsyd81aq323c";
-    url="http://common-lisp.net/project/xcvb/cl-launch/cl-launch-4.0.2.2.tar.gz.asc";
-    sha256="068bq66az3qhwgaxi9mx7f80396jilmd3zf4d3qamsyd81aq323c";
+    hash="1a7nwm1gkvpypfbhl29gj4gba50r5b069g3c87cfvrk2n4plm65b";
+    url="http://common-lisp.net/project/xcvb/cl-launch/cl-launch-4.0.2.2.tar.gz";
+    sha256="1a7nwm1gkvpypfbhl29gj4gba50r5b069g3c87cfvrk2n4plm65b";
   };
   buildInputs = [
   ];
diff --git a/pkgs/development/tools/misc/cl-launch/default.upstream b/pkgs/development/tools/misc/cl-launch/default.upstream
index 1ff5daca02c5..ff7ee9446d28 100644
--- a/pkgs/development/tools/misc/cl-launch/default.upstream
+++ b/pkgs/development/tools/misc/cl-launch/default.upstream
@@ -1,2 +1,2 @@
 url http://common-lisp.net/project/xcvb/cl-launch/
-version_link '.-[0-9].*[0-9][.]tar[.].*'
+version_link '.-[0-9].*[0-9][.]tar[.][a-z0-9]*$'