diff --git a/packages/k4reccalorimeter/package.py b/packages/k4reccalorimeter/package.py
index 8ef90ea5..b11eb382 100644
--- a/packages/k4reccalorimeter/package.py
+++ b/packages/k4reccalorimeter/package.py
@@ -11,6 +11,10 @@ class K4reccalorimeter(CMakePackage, Key4hepPackage):
     maintainers = ["vvolkl"]
 
     version("main", branch="main")
+    version(
+        "0.1.0pre15",
+        sha256="8406e7ca3ff78a93ace7ca645f49bea979931b9f268e5d2aaad958886f9e7b55",
+    )
     version(
         "0.1.0pre14",
         sha256="4e3480e02806a708fabcb4014f082e1de89cb4a2fb838994848bef6664ff5168",