diff --git a/input/methods.default b/input/methods.default
index addaf23..d939b79 100644
--- a/input/methods.default
+++ b/input/methods.default
@@ -1,5 +1,5 @@
-# RHF UHF GHF ROHF 
-  F   F   F   F   
+# RHF UHF GHF ROHF HFB 
+  F   F   F   F    F
 # MP2 MP3 
   F   F   
 # CCD pCCD DCD CCSD CCSD(T) 
diff --git a/input/options.default b/input/options.default
index 22c469b..1a1be58 100644
--- a/input/options.default
+++ b/input/options.default
@@ -15,4 +15,6 @@
 # ACFDT: AC Kx  XBS
          F  F   T
 # BSE: phBSE phBSE2 ppBSE dBSE dTDA
-       F     F      F     F    T     
+       F     F      F     F    T    
+# HFB: temperature  sigma chem_pot_HF restart_HFB
+          0.05      1.00  T           F