diff --git a/var/spack/repos/builtin/packages/grass/package.py b/var/spack/repos/builtin/packages/grass/package.py
index cc6057bf4d..24d46c2305 100644
--- a/var/spack/repos/builtin/packages/grass/package.py
+++ b/var/spack/repos/builtin/packages/grass/package.py
@@ -13,11 +13,12 @@ class Grass(AutotoolsPackage):
        graphics and maps production, spatial modeling, and visualization."""
 
     homepage = "https://grass.osgeo.org"
-    url      = "https://grass.osgeo.org/grass78/source/grass-7.8.0.tar.gz"
+    url      = "https://grass.osgeo.org/grass78/source/grass-7.8.1.tar.gz"
     list_url = "https://grass.osgeo.org/download/software/sources/"
 
     maintainers = ['adamjstewart']
 
+    version('7.8.1', sha256='6ae578fd67afcce7abec4ba4505dcc55b3d2dfe0ca46b99d966cb148c654abb3')
     version('7.8.0', sha256='4b1192294e959ffd962282344e4ff325c4472f73abe605e246a1da3beda7ccfa')
     version('7.6.1', sha256='9e25c99cafd16ed8f5e2dca75b5a10dc2af0568dbedf3fc39f1c5a0a9c840b0b')
     version('7.4.4', sha256='96a39e273103f7375a670eba94fa3e5dad2819c5c5664c9aee8f145882a94e8c')