diff --git a/releases.map b/releases.map
index 550a6d6b65a7..4bb705d82908 100644
--- a/releases.map
+++ b/releases.map
@@ -2001,3 +2001,4 @@ architecture=slc6_amd64_gcc630;label=CMSSW_10_0_0_pre3_G4VecGeom;type=Developmen
 architecture=slc6_amd64_gcc630;label=CMSSW_10_0_0_MWGR1;type=Production;state=Announced;prodarch=1;
 architecture=slc6_amd64_gcc630;label=CMSSW_10_0_0_pre3_G4VecGeom1;type=Development;state=Announced;prodarch=1;
 architecture=slc6_amd64_gcc630;label=CMSSW_10_0_0_pre3_G4VecGeom2;type=Development;state=Announced;prodarch=1;
+architecture=slc7_amd64_gcc630;label=CMSSW_10_0_0_MWGR1;type=Production;state=Announced;prodarch=0;