diff --git a/pkgs/applications/version-management/fossil/default.nix b/pkgs/applications/version-management/fossil/default.nix
index ab610624f37..ea06107ed7c 100644
--- a/pkgs/applications/version-management/fossil/default.nix
+++ b/pkgs/applications/version-management/fossil/default.nix
@@ -16,11 +16,11 @@
 
 stdenv.mkDerivation rec {
   pname = "fossil";
-  version = "2.19";
+  version = "2.20";
 
   src = fetchurl {
     url = "https://www.fossil-scm.org/home/tarball/version-${version}/fossil-${version}.tar.gz";
-    sha256 = "sha256-RZ9/7b4lRJqFVyfXwzutO8C/Pa6XPyxtvpp7gmEGoj4=";
+    sha256 = "1knff50rr8f39myxj50fprb9ya87cslmwz7zzfya56l33r7i7jh3";
   };
 
   nativeBuildInputs = [ installShellFiles tcl tcllib ];