1 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/development/octave-modules/symbolic/default.nix b/pkgs/development/octave-modules/symbolic/default.nix
index 1d3715b3d73b6..2ca59a972cb69 100644
--- a/pkgs/development/octave-modules/symbolic/default.nix
+++ b/pkgs/development/octave-modules/symbolic/default.nix
@@ -14,13 +14,13 @@ let
 in
 buildOctavePackage rec {
   pname = "symbolic";
-  version = "3.0.1";
+  version = "3.1.1";
 
   src = fetchFromGitHub {
     owner = "cbm755";
     repo = "octsympy";
-    rev = "v${version}";
-    hash = "sha256-FJb5uazqEiyNI6TL9WVewMoQnC3CutcHENl+umNZeto=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-6LmLzTwcBhvMDBE7u/lIkSUP97qFMPRHkxfbAyvas6M=";
   };
 
   propagatedBuildInputs = [ pythonEnv ];