diff --git a/pkgs/development/compilers/fennel/default.nix b/pkgs/development/compilers/fennel/default.nix
index bae976a9b68..ec6b3d619e1 100644
--- a/pkgs/development/compilers/fennel/default.nix
+++ b/pkgs/development/compilers/fennel/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "fennel";
-  version = "0.10.0";
+  version = "1.0.0";
 
   src = fetchFromSourcehut {
     owner = "~technomancy";
     repo = pname;
     rev = version;
-    sha256 = "sha256-/xCnaDNZJTBGxIgjPUVeEyMVeRWg8RCNuo5nPpLrJXY=";
+    sha256 = "sha256-HhxFTWC1gBY76pQzhn6EdgYHpYQr9zkUox0r4YC7mTQ=";
   };
 
   nativeBuildInputs = [ installShellFiles ];