diff --git a/pkgs/by-name/or/orthanc/package.nix b/pkgs/by-name/or/orthanc/package.nix
index 3cc9566507eb..ba399d26c7e2 100644
--- a/pkgs/by-name/or/orthanc/package.nix
+++ b/pkgs/by-name/or/orthanc/package.nix
@@ -28,12 +28,12 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "orthanc";
-  version = "1.12.10";
+  version = "1.12.11";
 
   src = fetchhg {
     url = "https://orthanc.uclouvain.be/hg/orthanc/";
     rev = "Orthanc-${finalAttrs.version}";
-    hash = "sha256-+y+99NKyAWoQmvgCfubNuGiJ68uUwUvE2O64gZ/3uNA=";
+    hash = "sha256-EoohVYrnGN3dJUlXAd+10glcKA0AdZSyQ3wy2luycMQ=";
   };
 
   outputs = [