diff --git a/pkgs/development/tools/slimerjs/default.nix b/pkgs/development/tools/slimerjs/default.nix
index b3049736b71..041aee7a1c5 100644
--- a/pkgs/development/tools/slimerjs/default.nix
+++ b/pkgs/development/tools/slimerjs/default.nix
@@ -3,11 +3,11 @@ let
   s = # Generated upstream information
   rec {
     baseName="slimerjs";
-    version="0.10.3";
+    version="1.0.0";
     name="${baseName}-${version}";
     owner = "laurentj";
     repo = "${baseName}";
-    sha256="16v6a1kcq8il4snbrgsq5xmxs35alzf4qlmscr2yli95xq5fnl5y";
+    sha256="1w4sfrv520isbs7r1rlzl5y3idrpad7znw9fc92yz40jlwz7sxs4";
     rev = "${version}";
   };
   buildInputs = [