diff --git a/packages/npsim/package.py b/packages/npsim/package.py
index 00e5dcfa..844036bb 100644
--- a/packages/npsim/package.py
+++ b/packages/npsim/package.py
@@ -17,6 +17,10 @@ class Npsim(CMakePackage):
     maintainers = ["wdconinc"]
 
     version("main", branch="main")
+    version(
+        "1.2.0",
+        sha256="2a7e039dfcf8ed4c8a22fc9cb00bf73859537b3ee83a5bb128cc1ef451763865",
+    )
     version(
         "1.1.1",
         sha256="d1a34efd22832f0da863e5712d342153ca63520acccf9516b47ff3cb2ed4e935",