diff --git a/doc/changelog.d/848.maintenance.md b/doc/changelog.d/848.maintenance.md
new file mode 100644
index 0000000000..5e3338a7a2
--- /dev/null
+++ b/doc/changelog.d/848.maintenance.md
@@ -0,0 +1 @@
+Update tox.ini for 251
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index b25ab9eb13..e78530442c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,7 @@ commands =
     python --version
     pytest {toxinidir}{/}tests
 setenv=
-    AWP_ROOT241 = {env:AWP_ROOT241}
+    AWP_ROOT251 = {env:AWP_ROOT251}
     ANSYSLMD_LICENSE_FILE = {env:ANSYSLMD_LICENSE_FILE}
 
 [testenv:doc]
@@ -27,7 +27,7 @@ usedevelop = true
 extras = doc
 setenv = 
     PYPRIMEMESH_SPHINX_BUILD = 1
-    AWP_ROOT241 = {env:AWP_ROOT241}
+    AWP_ROOT251 = {env:AWP_ROOT251}
     ANSYSLMD_LICENSE_FILE = {env:ANSYSLMD_LICENSE_FILE}
     DOCUMENTATION_CNAME = prime.docs.pyansys.com
 commands =