diff --git a/environment.yml b/environment.yml
index 16bab4d..f9bc737 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,7 @@ channels:
 - conda-forge
 dependencies:
 - python>=3.6.5
-- taxcalc>=2.4.2
+- taxcalc<2.8.0
 - behresp>=0.9.0
 - pandas>=0.23
 - numpy>=1.13
@@ -12,7 +12,7 @@ dependencies:
 - ipython
 - pytest
 - dask
-- bokeh
+- bokeh<2.0.0
 - markdown
 - pip
 - pip:
diff --git a/taxcrunch/multi_cruncher.py b/taxcrunch/multi_cruncher.py
index 2d8a8ed..e9130f9 100644
--- a/taxcrunch/multi_cruncher.py
+++ b/taxcrunch/multi_cruncher.py
@@ -157,7 +157,8 @@ def create_table(self, reform_file=None, be_sub=0, be_inc=0, be_cg=0):
         """
         year = self.invar['FLPDYR'][0]
         year = int(year.item())
-        recs = tc.Records(data=self.invar, start_year=year)
+        recs = tc.Records(data=self.invar, start_year=year,
+                          gfactors=None, weights=None, adjust_ratios=None)
 
         if reform_file == None:
             pol = tc.Policy()
@@ -277,7 +278,8 @@ def calc_mtr(self, reform_file):
         """
         year = self.invar['FLPDYR'][0]
         year = int(year.item())
-        recs_base = tc.Records(data=self.invar, start_year=year)
+        recs_base = tc.Records(data=self.invar, start_year=year,
+                               gfactors=None, weights=None, adjust_ratios=None)
         if reform_file == None:
             pol = tc.Policy()
         else:
@@ -290,7 +292,8 @@ def calc_mtr(self, reform_file):
         incometax_base = calc_base.array('iitax')
         combined_taxes_base = incometax_base + payrolltax_base
 
-        recs_marg = tc.Records(data=self.invar_marg, start_year=year)
+        recs_marg = tc.Records(data=self.invar_marg, start_year=year,
+                               gfactors=None, weights=None, adjust_ratios=None)
         calc_marg = tc.Calculator(policy=pol, records=recs_marg)
         calc_marg.advance_to_year(year)
         calc_marg.calc_all()