diff --git a/Resources/Prototypes/Research/disciplines.yml b/Resources/Prototypes/Research/disciplines.yml
index 7a661da1a33..3a6a23bd538 100644
--- a/Resources/Prototypes/Research/disciplines.yml
+++ b/Resources/Prototypes/Research/disciplines.yml
@@ -9,6 +9,7 @@
     1: 0
     2: 0.75
     3: 0.75
+  lockoutTier: 4 # Corvax-Next-TechLock
 
 - type: techDiscipline
   id: Arsenal
@@ -21,6 +22,7 @@
     1: 0
     2: 0.75
     3: 0.75
+  lockoutTier: 4 # Corvax-Next-TechLock
 
 - type: techDiscipline
   id: Experimental
@@ -33,6 +35,7 @@
     1: 0
     2: 0.75
     3: 0.75
+  lockoutTier: 4 # Corvax-Next-TechLock
 
 - type: techDiscipline
   id: CivilianServices
@@ -45,3 +48,4 @@
     1: 0
     2: 0.75
     3: 0.75
+  lockoutTier: 4 # Corvax-Next-TechLock