Hard to tell without your recipe, but did you put a lot of caramel malt in the beer? That could do it.
No caramel. But I am curious, why would that do it?
10 lbs 16.0 oz Vienna Malt (3.5 SRM) Grain 1 73.3 %
2 lbs 8.0 oz Munich Malt - 10L (10.0 SRM) Grain 2 16.7 %
1 lbs 8.0 oz Pilsner (2 Row) Ger (2.0 SRM) Grain 3 10.0 %
42.52 g Nugget [13.00 %] - First Wort 20.0 min Hop 4 36.7 IBUs
1.00 Items Whirlfloc Tablet (Boil 15.0 mins) Fining 5 -
28.35 g Nugget [13.00 %] - Boil 15.0 min Hop 6 18.2 IBUs
14.17 g Simcoe [13.00 %] - Boil 10.0 min Hop 7 7.3 IBUs
28.35 g Amarillo Gold [8.50 %] - Boil 5.0 min Hop 8 5.3 IBUs
35.44 g Nugget [13.00 %] - Boil 0.0 min Hop 9 0.0 IBUs
1.0 pkg Safale American (DCL/Fermentis #US-05) Yeast 10 -
42.52 g Cascade [5.50 %] - Dry Hop 10.0 Days Hop 11 0.0 IBUs
42.52 g Simcoe [13.00 %] - Dry Hop