diff --git a/pkgs/by-name/se/sexpp/package.nix b/pkgs/by-name/se/sexpp/package.nix
index 608f044ceb5f..ddad2a21fe8f 100644
--- a/pkgs/by-name/se/sexpp/package.nix
+++ b/pkgs/by-name/se/sexpp/package.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "sexpp";
-  version = "0.9.0";
+  version = "0.9.1";
 
   src = fetchFromGitHub {
     owner = "rnpgp";
     repo = "sexpp";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-mNt6J8nhzT5sF28ktl3jOkQMKn6x9iE04MMrwwVxyZs=";
+    hash = "sha256-T0DZPWGDg8lz9TrouD/T6i7W+Qj1UJzjnMchfTEQdEM=";
   };
 
   buildInputs = [