diff --git a/docs/namespace-registry/pds-namespace-registry.csv b/docs/namespace-registry/pds-namespace-registry.csv
index 4c279d42..0f5b9f30 100644
--- a/docs/namespace-registry/pds-namespace-registry.csv
+++ b/docs/namespace-registry/pds-namespace-registry.csv
@@ -72,6 +72,7 @@ neas,Near Earth Asteroid Scout,Namespace for the Near Earth Asteroid Scout dicti
 nh,New Horizons Primary and Extended Missions,Namespace for the New Horizons Primary and Extended Missions dictionary.,Mission,Adeline Gicquel,agicquel at umd.edu,2022-03-23,
 ody,2001 Mars Odyssey,Namespace for the 2001 Mars Odyssey dictionary.,Mission,Daniel Politte,politte at wunder.wustl.edu,2022-06-01,
 orex,OSIRIS-Rex ,Namespace for the OSIRIS-Rex dictionary.,Mission,Carol Neese ,neese at psi.edu,2014-05-12,
+phoenix,Mars Phoenix,The Mars Phoenix Mission Dictionary (phoenix) contains classes and attributes specific to the Phoenix mission and its instruments.,Mission,Jennifer Ward,jgward at wustl.edu,2025-11-05,
 psyche,Psyche mission,Namespace for the Psyche dictionary.,Mission,Carol Neese ,neese at psi.edu,2023-03-29,
 slim,Smart Lander for Investigating Moon,Namespace for the Smart Lander for Investigating Moon (SLIM) dictionary.,Mission,Shin-ya Murakami,murakami.shinya at jaxa.jp,2025-03-26,
 sln, Kaguya (SELENE),Namespace for the Kaguya (SELENE) dictionary.,Mission,Shin-ya Murakami,murakami.shinya at jaxa.jp,2025-03-26,
diff --git a/docs/namespace-registry/pds-namespace-registry.pdf b/docs/namespace-registry/pds-namespace-registry.pdf
index c6762fc8..37bd0252 100644
Binary files a/docs/namespace-registry/pds-namespace-registry.pdf and b/docs/namespace-registry/pds-namespace-registry.pdf differ
diff --git a/docs/namespace-registry/pds-namespace-registry.xlsx b/docs/namespace-registry/pds-namespace-registry.xlsx
index e8b1cb7d..afcaeb13 100644
Binary files a/docs/namespace-registry/pds-namespace-registry.xlsx and b/docs/namespace-registry/pds-namespace-registry.xlsx differ
diff --git a/model-ontology/src/ontology/Data/config.properties b/model-ontology/src/ontology/Data/config.properties
index 03c51d82..40ab9d9f 100755
--- a/model-ontology/src/ontology/Data/config.properties
+++ b/model-ontology/src/ontology/Data/config.properties
@@ -656,6 +656,17 @@ lSchemaFileDefn.ody.urnPrefix=urn:nasa:pds:
 lSchemaFileDefn.ody.modelShortName=PDS4
 lSchemaFileDefn.ody.regAuthId=0001_NASA_PDS_1
 
+lSchemaFileDefn.phoenix.identifier=phoenix
+lSchemaFileDefn.phoenix.isMaster=false
+lSchemaFileDefn.phoenix.isDiscipline=false
+lSchemaFileDefn.phoenix.stewardArr=geo
+lSchemaFileDefn.phoenix.nameSpaceURL=http://pds.nasa.gov/pds4/
+lSchemaFileDefn.phoenix.nameSpaceURLs=https://pds.nasa.gov/pds4/
+lSchemaFileDefn.phoenix.urnPrefix=urn:nasa:pds:
+lSchemaFileDefn.phoenix.modelShortName=PDS4
+lSchemaFileDefn.phoenix.regAuthId=0001_NASA_PDS_1
+lSchemaFileDefn.phoenix.comment=The Mars Phoenix Mission Dictionary (phoenix) contains classes and attributes specific to the Phoenix mission and its instruments.
+
 lSchemaFileDefn.psyche.identifier=psyche
 lSchemaFileDefn.psyche.isMaster=false
 lSchemaFileDefn.psyche.isDiscipline=false