diff --git a/Common/Constants/include/CommonConstants/PhysicsConstants.h b/Common/Constants/include/CommonConstants/PhysicsConstants.h
index 6a8a791cffd22..c6fa3cddcdad5 100644
--- a/Common/Constants/include/CommonConstants/PhysicsConstants.h
+++ b/Common/Constants/include/CommonConstants/PhysicsConstants.h
@@ -52,6 +52,7 @@ enum Pdg {
   kDS1 = 10433,
   kDS2Star = 435,
   kDStar = 413,
+  kDStar0 = 423,
   kChiC1 = 20443,
   kJPsi = 443,
   kLambdaB0 = 5122,
@@ -101,6 +102,7 @@ constexpr double MassDSStar = 2.1122;
 constexpr double MassDS1 = 2.53511;
 constexpr double MassDS2Star = 2.5691;
 constexpr double MassDStar = 2.01026;
+constexpr double MassDStar0 = 2.00685;
 constexpr double MassChiC1 = 3.51067;
 constexpr double MassJPsi = 3.0969;
 constexpr double MassLambdaB0 = 5.6196;
diff --git a/Common/Constants/include/CommonConstants/make_pdg_header.py b/Common/Constants/include/CommonConstants/make_pdg_header.py
index 5c1e4602a9fbb..e4f92e6e8b62d 100755
--- a/Common/Constants/include/CommonConstants/make_pdg_header.py
+++ b/Common/Constants/include/CommonConstants/make_pdg_header.py
@@ -107,6 +107,7 @@ class Pdg(Enum):
     kDS1 = 10433
     kDS2Star = 435
     kDStar = 413
+    kDStar0 = 423
     kChiC1 = 20443
     kJPsi = 443
     kLambdaB0 = 5122