diff --git a/Statistics/Resampling/Bootstrap.hs b/Statistics/Resampling/Bootstrap.hs
--- a/Statistics/Resampling/Bootstrap.hs
+++ b/Statistics/Resampling/Bootstrap.hs
@@ -98,7 +98,8 @@
   | otherwise = error "Statistics.Resampling.Bootstrap.bootstrapBCA: confidence level outside (0,1) range"
   where
     e est (Resample resample)
-      | U.length sample == 1 = estimate pt pt pt confidenceLevel
+      | U.length sample == 1 || isInfinite bias =
+          estimate pt pt pt confidenceLevel
       | otherwise =
           estimate pt (resample ! lo) (resample ! hi) confidenceLevel
       where
diff --git a/statistics.cabal b/statistics.cabal
--- a/statistics.cabal
+++ b/statistics.cabal
@@ -1,5 +1,5 @@
 name:           statistics
-version:        0.13.1.0
+version:        0.13.1.1
 synopsis:       A library of statistical types, data, and functions
 description:
   This library provides a number of common functions and types useful